28189770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 77780736

約数和(自身を除く): 49590966

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 241, 482, 557, 723, 1114, 1205, 1446, 1671, 1687, 2410, 2785, 3342, 3374, 3615, 3899, 5061, 5570, 7230, 7798, 8355, 8435, 10122, 11697, 16710, 16870, 19495, 23394, 25305, 38990, 50610, 58485, 116970, 134237, 268474, 402711, 671185, 805422, 939659, 1342370, 1879318, 2013555, 2818977, 4027110, 4698295, 5637954, 9396590, 14094885, 28189770]

約数ペア:

[(1, 28189770), (2, 14094885), (3, 9396590), (5, 5637954), (6, 4698295), (7, 4027110), (10, 2818977), (14, 2013555), (15, 1879318), (21, 1342370), (30, 939659), (35, 805422), (42, 671185), (70, 402711), (105, 268474), (210, 134237), (241, 116970), (482, 58485), (557, 50610), (723, 38990), (1114, 25305), (1205, 23394), (1446, 19495), (1671, 16870), (1687, 16710), (2410, 11697), (2785, 10122), (3342, 8435), (3374, 8355), (3615, 7798), (3899, 7230), (5061, 5570)]