395278520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 1141076160

約数和(自身を除く): 745797640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 113, 124, 130, 140, 155, 182, 217, 226, 248, 260, 280, 310, 364, 403, 434, 452, 455, 520, 565, 620, 728, 791, 806, 868, 904, 910, 961, 1085, 1130, 1240, 1469, 1582, 1612, 1736, 1820, 1922, 2015, 2170, 2260, 2821, 2938, 3164, 3224, 3503, 3640, 3844, 3955, 4030, 4340, 4520, 4805, 5642, 5876, 6328, 6727, 7006, 7345, 7688, 7910, 8060, 8680, 9610, 10283, 11284, 11752, 12493, 13454, 14012, 14105, 14690, 15820, 16120, 17515, 19220, 20566, 22568, 24521, 24986, 26908, 28024, 28210, 29380, 31640, 33635, 35030, 38440, 41132, 45539, 49042, 49972, 51415, 53816, 56420, 58760, 62465, 67270, 70060, 82264, 87451, 91078, 98084, 99944, 102830, 108593, 112840, 122605, 124930, 134540, 140120, 174902, 182156, 196168, 205660, 217186, 227695, 245210, 249860, 269080, 318773, 349804, 364312, 411320, 434372, 437255, 455390, 490420, 499720, 542965, 637546, 699608, 760151, 868744, 874510, 910780, 980840, 1085930, 1275092, 1411709, 1520302, 1593865, 1749020, 1821560, 2171860, 2550184, 2823418, 3040604, 3187730, 3498040, 3800755, 4343720, 5646836, 6081208, 6375460, 7058545, 7601510, 9881963, 11293672, 12750920, 14117090, 15203020, 19763926, 28234180, 30406040, 39527852, 49409815, 56468360, 79055704, 98819630, 197639260, 395278520]

約数ペア:

[(1, 395278520), (2, 197639260), (4, 98819630), (5, 79055704), (7, 56468360), (8, 49409815), (10, 39527852), (13, 30406040), (14, 28234180), (20, 19763926), (26, 15203020), (28, 14117090), (31, 12750920), (35, 11293672), (40, 9881963), (52, 7601510), (56, 7058545), (62, 6375460), (65, 6081208), (70, 5646836), (91, 4343720), (104, 3800755), (113, 3498040), (124, 3187730), (130, 3040604), (140, 2823418), (155, 2550184), (182, 2171860), (217, 1821560), (226, 1749020), (248, 1593865), (260, 1520302), (280, 1411709), (310, 1275092), (364, 1085930), (403, 980840), (434, 910780), (452, 874510), (455, 868744), (520, 760151), (565, 699608), (620, 637546), (728, 542965), (791, 499720), (806, 490420), (868, 455390), (904, 437255), (910, 434372), (961, 411320), (1085, 364312), (1130, 349804), (1240, 318773), (1469, 269080), (1582, 249860), (1612, 245210), (1736, 227695), (1820, 217186), (1922, 205660), (2015, 196168), (2170, 182156), (2260, 174902), (2821, 140120), (2938, 134540), (3164, 124930), (3224, 122605), (3503, 112840), (3640, 108593), (3844, 102830), (3955, 99944), (4030, 98084), (4340, 91078), (4520, 87451), (4805, 82264), (5642, 70060), (5876, 67270), (6328, 62465), (6727, 58760), (7006, 56420), (7345, 53816), (7688, 51415), (7910, 49972), (8060, 49042), (8680, 45539), (9610, 41132), (10283, 38440), (11284, 35030), (11752, 33635), (12493, 31640), (13454, 29380), (14012, 28210), (14105, 28024), (14690, 26908), (15820, 24986), (16120, 24521), (17515, 22568), (19220, 20566)]