172266820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21163}}^1$

素因数の和:21220

約数の個数: 48

約数和(自身を含む): 405332928

約数和(自身を除く): 233066108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 21163, 42326, 84652, 105815, 211630, 232793, 423260, 465586, 783031, 931172, 1163965, 1566062, 2327930, 3132124, 3915155, 4655860, 7830310, 8613341, 15660620, 17226682, 34453364, 43066705, 86133410, 172266820]

約数ペア:

[(1, 172266820), (2, 86133410), (4, 43066705), (5, 34453364), (10, 17226682), (11, 15660620), (20, 8613341), (22, 7830310), (37, 4655860), (44, 3915155), (55, 3132124), (74, 2327930), (110, 1566062), (148, 1163965), (185, 931172), (220, 783031), (370, 465586), (407, 423260), (740, 232793), (814, 211630), (1628, 105815), (2035, 84652), (4070, 42326), (8140, 21163)]