2028959920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 5437366272

約数和(自身を除く): 3408406352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 47, 52, 62, 65, 80, 94, 103, 104, 124, 130, 155, 169, 188, 206, 208, 235, 248, 260, 310, 338, 376, 403, 412, 470, 496, 515, 520, 611, 620, 676, 752, 806, 824, 845, 940, 1030, 1040, 1222, 1240, 1339, 1352, 1457, 1612, 1648, 1690, 1880, 2015, 2060, 2444, 2480, 2678, 2704, 2914, 3055, 3193, 3224, 3380, 3760, 4030, 4120, 4841, 4888, 5239, 5356, 5828, 6110, 6386, 6448, 6695, 6760, 7285, 7943, 8060, 8240, 9682, 9776, 10478, 10712, 11656, 12220, 12772, 13390, 13520, 14570, 15886, 15965, 16120, 17407, 18941, 19364, 20956, 21424, 23312, 24205, 24440, 25544, 26195, 26780, 29140, 31772, 31930, 32240, 34814, 37882, 38728, 39715, 41509, 41912, 48410, 48880, 51088, 52390, 53560, 58280, 62933, 63544, 63860, 69628, 75764, 77456, 79430, 83018, 83824, 87035, 94705, 96820, 104780, 107120, 116560, 125866, 127088, 127720, 139256, 150071, 151528, 158860, 166036, 174070, 189410, 193640, 207545, 209560, 246233, 251732, 255440, 278512, 300142, 303056, 314665, 317720, 332072, 348140, 378820, 387280, 415090, 419120, 492466, 503464, 539617, 600284, 629330, 635440, 664144, 696280, 750355, 757640, 818129, 830180, 984932, 1006928, 1079234, 1200568, 1231165, 1258660, 1392560, 1500710, 1515280, 1636258, 1660360, 1950923, 1969864, 2158468, 2401136, 2462330, 2517320, 2698085, 3001420, 3272516, 3320720, 3901846, 3939728, 4090645, 4316936, 4924660, 5034640, 5396170, 6002840, 6545032, 7803692, 8181290, 8633872, 9754615, 9849320, 10792340, 12005680, 13090064, 15607384, 16362580, 19509230, 19698640, 21584680, 25361999, 31214768, 32725160, 39018460, 43169360, 50723998, 65450320, 78036920, 101447996, 126809995, 156073840, 202895992, 253619990, 405791984, 507239980, 1014479960, 2028959920]

約数ペア:

[(1, 2028959920), (2, 1014479960), (4, 507239980), (5, 405791984), (8, 253619990), (10, 202895992), (13, 156073840), (16, 126809995), (20, 101447996), (26, 78036920), (31, 65450320), (40, 50723998), (47, 43169360), (52, 39018460), (62, 32725160), (65, 31214768), (80, 25361999), (94, 21584680), (103, 19698640), (104, 19509230), (124, 16362580), (130, 15607384), (155, 13090064), (169, 12005680), (188, 10792340), (206, 9849320), (208, 9754615), (235, 8633872), (248, 8181290), (260, 7803692), (310, 6545032), (338, 6002840), (376, 5396170), (403, 5034640), (412, 4924660), (470, 4316936), (496, 4090645), (515, 3939728), (520, 3901846), (611, 3320720), (620, 3272516), (676, 3001420), (752, 2698085), (806, 2517320), (824, 2462330), (845, 2401136), (940, 2158468), (1030, 1969864), (1040, 1950923), (1222, 1660360), (1240, 1636258), (1339, 1515280), (1352, 1500710), (1457, 1392560), (1612, 1258660), (1648, 1231165), (1690, 1200568), (1880, 1079234), (2015, 1006928), (2060, 984932), (2444, 830180), (2480, 818129), (2678, 757640), (2704, 750355), (2914, 696280), (3055, 664144), (3193, 635440), (3224, 629330), (3380, 600284), (3760, 539617), (4030, 503464), (4120, 492466), (4841, 419120), (4888, 415090), (5239, 387280), (5356, 378820), (5828, 348140), (6110, 332072), (6386, 317720), (6448, 314665), (6695, 303056), (6760, 300142), (7285, 278512), (7943, 255440), (8060, 251732), (8240, 246233), (9682, 209560), (9776, 207545), (10478, 193640), (10712, 189410), (11656, 174070), (12220, 166036), (12772, 158860), (13390, 151528), (13520, 150071), (14570, 139256), (15886, 127720), (15965, 127088), (16120, 125866), (17407, 116560), (18941, 107120), (19364, 104780), (20956, 96820), (21424, 94705), (23312, 87035), (24205, 83824), (24440, 83018), (25544, 79430), (26195, 77456), (26780, 75764), (29140, 69628), (31772, 63860), (31930, 63544), (32240, 62933), (34814, 58280), (37882, 53560), (38728, 52390), (39715, 51088), (41509, 48880), (41912, 48410)]