1897812280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521377}}^1$

素因数の和:521408

約数の個数: 64

約数和(自身を含む): 5255490240

約数和(自身を除く): 3357677960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 521377, 1042754, 2085508, 2606885, 3649639, 4171016, 5213770, 6777901, 7299278, 10427540, 13555802, 14598556, 18248195, 20855080, 27111604, 29197112, 33889505, 36496390, 47445307, 54223208, 67779010, 72992780, 94890614, 135558020, 145985560, 189781228, 237226535, 271116040, 379562456, 474453070, 948906140, 1897812280]

約数ペア:

[(1, 1897812280), (2, 948906140), (4, 474453070), (5, 379562456), (7, 271116040), (8, 237226535), (10, 189781228), (13, 145985560), (14, 135558020), (20, 94890614), (26, 72992780), (28, 67779010), (35, 54223208), (40, 47445307), (52, 36496390), (56, 33889505), (65, 29197112), (70, 27111604), (91, 20855080), (104, 18248195), (130, 14598556), (140, 13555802), (182, 10427540), (260, 7299278), (280, 6777901), (364, 5213770), (455, 4171016), (520, 3649639), (728, 2606885), (910, 2085508), (1820, 1042754), (3640, 521377)]