256985709140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{131063}}^1$

素因数の和:131241

約数の個数: 96

約数和(自身を含む): 586579553280

約数和(自身を除く): 329593844140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 79, 85, 146, 158, 170, 292, 316, 340, 365, 395, 730, 790, 1241, 1343, 1460, 1580, 2482, 2686, 4964, 5372, 5767, 6205, 6715, 11534, 12410, 13430, 23068, 24820, 26860, 28835, 57670, 98039, 115340, 131063, 196078, 262126, 392156, 490195, 524252, 655315, 980390, 1310630, 1960780, 2228071, 2621260, 4456142, 8912284, 9567599, 10353977, 11140355, 19135198, 20707954, 22280710, 38270396, 41415908, 44561420, 47837995, 51769885, 95675990, 103539770, 162649183, 176017609, 191351980, 207079540, 325298366, 352035218, 650596732, 704070436, 755840321, 813245915, 880088045, 1511680642, 1626491830, 1760176090, 3023361284, 3252983660, 3520352180, 3779201605, 7558403210, 12849285457, 15116806420, 25698570914, 51397141828, 64246427285, 128492854570, 256985709140]

約数ペア:

[(1, 256985709140), (2, 128492854570), (4, 64246427285), (5, 51397141828), (10, 25698570914), (17, 15116806420), (20, 12849285457), (34, 7558403210), (68, 3779201605), (73, 3520352180), (79, 3252983660), (85, 3023361284), (146, 1760176090), (158, 1626491830), (170, 1511680642), (292, 880088045), (316, 813245915), (340, 755840321), (365, 704070436), (395, 650596732), (730, 352035218), (790, 325298366), (1241, 207079540), (1343, 191351980), (1460, 176017609), (1580, 162649183), (2482, 103539770), (2686, 95675990), (4964, 51769885), (5372, 47837995), (5767, 44561420), (6205, 41415908), (6715, 38270396), (11534, 22280710), (12410, 20707954), (13430, 19135198), (23068, 11140355), (24820, 10353977), (26860, 9567599), (28835, 8912284), (57670, 4456142), (98039, 2621260), (115340, 2228071), (131063, 1960780), (196078, 1310630), (262126, 980390), (392156, 655315), (490195, 524252)]