1618789700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{4241}}^1$

素因数の和:4613

約数の個数: 72

約数和(自身を含む): 3844066464

約数和(自身を除く): 2225276764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 347, 550, 694, 1100, 1388, 1735, 3470, 3817, 4241, 6940, 7634, 8482, 8675, 15268, 16964, 17350, 19085, 21205, 34700, 38170, 42410, 46651, 76340, 84820, 93302, 95425, 106025, 186604, 190850, 212050, 233255, 381700, 424100, 466510, 933020, 1166275, 1471627, 2332550, 2943254, 4665100, 5886508, 7358135, 14716270, 16187897, 29432540, 32375794, 36790675, 64751588, 73581350, 80939485, 147162700, 161878970, 323757940, 404697425, 809394850, 1618789700]

約数ペア:

[(1, 1618789700), (2, 809394850), (4, 404697425), (5, 323757940), (10, 161878970), (11, 147162700), (20, 80939485), (22, 73581350), (25, 64751588), (44, 36790675), (50, 32375794), (55, 29432540), (100, 16187897), (110, 14716270), (220, 7358135), (275, 5886508), (347, 4665100), (550, 2943254), (694, 2332550), (1100, 1471627), (1388, 1166275), (1735, 933020), (3470, 466510), (3817, 424100), (4241, 381700), (6940, 233255), (7634, 212050), (8482, 190850), (8675, 186604), (15268, 106025), (16964, 95425), (17350, 93302), (19085, 84820), (21205, 76340), (34700, 46651), (38170, 42410)]