1955182900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61291}}^1$

素因数の和:61345

約数の個数: 72

約数和(自身を含む): 4788131040

約数和(自身を除く): 2832948140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 31900, 61291, 122582, 245164, 306455, 612910, 674201, 1225820, 1348402, 1532275, 1777439, 2696804, 3064550, 3371005, 3554878, 6129100, 6742010, 7109756, 8887195, 13484020, 16855025, 17774390, 19551829, 33710050, 35548780, 39103658, 44435975, 67420100, 78207316, 88871950, 97759145, 177743900, 195518290, 391036580, 488795725, 977591450, 1955182900]

約数ペア:

[(1, 1955182900), (2, 977591450), (4, 488795725), (5, 391036580), (10, 195518290), (11, 177743900), (20, 97759145), (22, 88871950), (25, 78207316), (29, 67420100), (44, 44435975), (50, 39103658), (55, 35548780), (58, 33710050), (100, 19551829), (110, 17774390), (116, 16855025), (145, 13484020), (220, 8887195), (275, 7109756), (290, 6742010), (319, 6129100), (550, 3554878), (580, 3371005), (638, 3064550), (725, 2696804), (1100, 1777439), (1276, 1532275), (1450, 1348402), (1595, 1225820), (2900, 674201), (3190, 612910), (6380, 306455), (7975, 245164), (15950, 122582), (31900, 61291)]