256415552650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{515771}}^1$

素因数の和:516007

約数の個数: 48

約数和(自身を含む): 487726381728

約数和(自身を除く): 231310829078

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 163, 305, 326, 610, 815, 1525, 1630, 3050, 4075, 8150, 9943, 19886, 49715, 99430, 248575, 497150, 515771, 1031542, 2578855, 5157710, 12894275, 25788550, 31462031, 62924062, 84070673, 157310155, 168141346, 314620310, 420353365, 786550775, 840706730, 1573101550, 2101766825, 4203533650, 5128311053, 10256622106, 25641555265, 51283110530, 128207776325, 256415552650]

約数ペア:

[(1, 256415552650), (2, 128207776325), (5, 51283110530), (10, 25641555265), (25, 10256622106), (50, 5128311053), (61, 4203533650), (122, 2101766825), (163, 1573101550), (305, 840706730), (326, 786550775), (610, 420353365), (815, 314620310), (1525, 168141346), (1630, 157310155), (3050, 84070673), (4075, 62924062), (8150, 31462031), (9943, 25788550), (19886, 12894275), (49715, 5157710), (99430, 2578855), (248575, 1031542), (497150, 515771)]