87546340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 215603640

約数和(自身を除く): 128057300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 569, 628, 785, 980, 1099, 1138, 1570, 2198, 2276, 2845, 3140, 3983, 4396, 5495, 5690, 7693, 7966, 10990, 11380, 15386, 15932, 19915, 21980, 27881, 30772, 38465, 39830, 55762, 76930, 79660, 89333, 111524, 139405, 153860, 178666, 278810, 357332, 446665, 557620, 625331, 893330, 1250662, 1786660, 2501324, 3126655, 4377317, 6253310, 8754634, 12506620, 17509268, 21886585, 43773170, 87546340]

約数ペア:

[(1, 87546340), (2, 43773170), (4, 21886585), (5, 17509268), (7, 12506620), (10, 8754634), (14, 6253310), (20, 4377317), (28, 3126655), (35, 2501324), (49, 1786660), (70, 1250662), (98, 893330), (140, 625331), (157, 557620), (196, 446665), (245, 357332), (314, 278810), (490, 178666), (569, 153860), (628, 139405), (785, 111524), (980, 89333), (1099, 79660), (1138, 76930), (1570, 55762), (2198, 39830), (2276, 38465), (2845, 30772), (3140, 27881), (3983, 21980), (4396, 19915), (5495, 15932), (5690, 15386), (7693, 11380), (7966, 10990)]