211026920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 569203200

約数和(自身を除く): 358176280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 53, 62, 65, 76, 95, 104, 106, 124, 130, 152, 155, 169, 190, 212, 247, 248, 260, 265, 310, 338, 380, 403, 424, 494, 520, 530, 589, 620, 676, 689, 760, 806, 845, 988, 1007, 1060, 1178, 1235, 1240, 1352, 1378, 1612, 1643, 1690, 1976, 2014, 2015, 2120, 2356, 2470, 2756, 2945, 3211, 3224, 3286, 3380, 3445, 4028, 4030, 4712, 4940, 5035, 5239, 5512, 5890, 6422, 6572, 6760, 6890, 7657, 8056, 8060, 8215, 8957, 9880, 10070, 10478, 11780, 12844, 13091, 13144, 13780, 15314, 16055, 16120, 16430, 17914, 20140, 20956, 21359, 23560, 25688, 26182, 26195, 27560, 30628, 31217, 32110, 32860, 35828, 38285, 40280, 41912, 42718, 44785, 52364, 52390, 61256, 62434, 64220, 65455, 65720, 71656, 76570, 85436, 89570, 99541, 104728, 104780, 106795, 124868, 128440, 130910, 153140, 156085, 170183, 170872, 179140, 199082, 209560, 213590, 249736, 261820, 277667, 306280, 312170, 340366, 358280, 398164, 405821, 427180, 497705, 523640, 555334, 624340, 680732, 796328, 811642, 850915, 854360, 995410, 1110668, 1248680, 1361464, 1388335, 1623284, 1701830, 1990820, 2029105, 2221336, 2776670, 3246568, 3403660, 3981640, 4058210, 5275673, 5553340, 6807320, 8116420, 10551346, 11106680, 16232840, 21102692, 26378365, 42205384, 52756730, 105513460, 211026920]

約数ペア:

[(1, 211026920), (2, 105513460), (4, 52756730), (5, 42205384), (8, 26378365), (10, 21102692), (13, 16232840), (19, 11106680), (20, 10551346), (26, 8116420), (31, 6807320), (38, 5553340), (40, 5275673), (52, 4058210), (53, 3981640), (62, 3403660), (65, 3246568), (76, 2776670), (95, 2221336), (104, 2029105), (106, 1990820), (124, 1701830), (130, 1623284), (152, 1388335), (155, 1361464), (169, 1248680), (190, 1110668), (212, 995410), (247, 854360), (248, 850915), (260, 811642), (265, 796328), (310, 680732), (338, 624340), (380, 555334), (403, 523640), (424, 497705), (494, 427180), (520, 405821), (530, 398164), (589, 358280), (620, 340366), (676, 312170), (689, 306280), (760, 277667), (806, 261820), (845, 249736), (988, 213590), (1007, 209560), (1060, 199082), (1178, 179140), (1235, 170872), (1240, 170183), (1352, 156085), (1378, 153140), (1612, 130910), (1643, 128440), (1690, 124868), (1976, 106795), (2014, 104780), (2015, 104728), (2120, 99541), (2356, 89570), (2470, 85436), (2756, 76570), (2945, 71656), (3211, 65720), (3224, 65455), (3286, 64220), (3380, 62434), (3445, 61256), (4028, 52390), (4030, 52364), (4712, 44785), (4940, 42718), (5035, 41912), (5239, 40280), (5512, 38285), (5890, 35828), (6422, 32860), (6572, 32110), (6760, 31217), (6890, 30628), (7657, 27560), (8056, 26195), (8060, 26182), (8215, 25688), (8957, 23560), (9880, 21359), (10070, 20956), (10478, 20140), (11780, 17914), (12844, 16430), (13091, 16120), (13144, 16055), (13780, 15314)]