201730960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 491151600

約数和(自身を除く): 289420640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 445, 464, 580, 712, 890, 977, 1160, 1424, 1780, 1954, 2320, 2581, 3560, 3908, 4885, 5162, 7120, 7816, 9770, 10324, 12905, 15632, 19540, 20648, 25810, 28333, 39080, 41296, 51620, 56666, 78160, 86953, 103240, 113332, 141665, 173906, 206480, 226664, 283330, 347812, 434765, 453328, 566660, 695624, 869530, 1133320, 1391248, 1739060, 2266640, 2521637, 3478120, 5043274, 6956240, 10086548, 12608185, 20173096, 25216370, 40346192, 50432740, 100865480, 201730960]

約数ペア:

[(1, 201730960), (2, 100865480), (4, 50432740), (5, 40346192), (8, 25216370), (10, 20173096), (16, 12608185), (20, 10086548), (29, 6956240), (40, 5043274), (58, 3478120), (80, 2521637), (89, 2266640), (116, 1739060), (145, 1391248), (178, 1133320), (232, 869530), (290, 695624), (356, 566660), (445, 453328), (464, 434765), (580, 347812), (712, 283330), (890, 226664), (977, 206480), (1160, 173906), (1424, 141665), (1780, 113332), (1954, 103240), (2320, 86953), (2581, 78160), (3560, 56666), (3908, 51620), (4885, 41296), (5162, 39080), (7120, 28333), (7816, 25810), (9770, 20648), (10324, 19540), (12905, 15632)]