385545760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{77731}}^1$

素因数の和:77777

約数の個数: 48

約数和(自身を含む): 940246272

約数和(自身を除く): 554700512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 77731, 155462, 310924, 388655, 621848, 777310, 1243696, 1554620, 2409661, 2487392, 3109240, 4819322, 6218480, 9638644, 12048305, 12436960, 19277288, 24096610, 38554576, 48193220, 77109152, 96386440, 192772880, 385545760]

約数ペア:

[(1, 385545760), (2, 192772880), (4, 96386440), (5, 77109152), (8, 48193220), (10, 38554576), (16, 24096610), (20, 19277288), (31, 12436960), (32, 12048305), (40, 9638644), (62, 6218480), (80, 4819322), (124, 3109240), (155, 2487392), (160, 2409661), (248, 1554620), (310, 1243696), (496, 777310), (620, 621848), (992, 388655), (1240, 310924), (2480, 155462), (4960, 77731)]