2080493540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{6131}}^1$

素因数の和:6225

約数の個数: 72

約数和(自身を含む): 4709964672

約数和(自身を除く): 2629471132

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 361, 380, 470, 722, 893, 940, 1444, 1786, 1805, 3572, 3610, 4465, 6131, 7220, 8930, 12262, 16967, 17860, 24524, 30655, 33934, 61310, 67868, 84835, 116489, 122620, 169670, 232978, 288157, 339340, 465956, 576314, 582445, 1152628, 1164890, 1440785, 2213291, 2329780, 2881570, 4426582, 5474983, 5763140, 8853164, 10949966, 11066455, 21899932, 22132910, 27374915, 44265820, 54749830, 104024677, 109499660, 208049354, 416098708, 520123385, 1040246770, 2080493540]

約数ペア:

[(1, 2080493540), (2, 1040246770), (4, 520123385), (5, 416098708), (10, 208049354), (19, 109499660), (20, 104024677), (38, 54749830), (47, 44265820), (76, 27374915), (94, 22132910), (95, 21899932), (188, 11066455), (190, 10949966), (235, 8853164), (361, 5763140), (380, 5474983), (470, 4426582), (722, 2881570), (893, 2329780), (940, 2213291), (1444, 1440785), (1786, 1164890), (1805, 1152628), (3572, 582445), (3610, 576314), (4465, 465956), (6131, 339340), (7220, 288157), (8930, 232978), (12262, 169670), (16967, 122620), (17860, 116489), (24524, 84835), (30655, 67868), (33934, 61310)]