621864980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{8861}}^1$

素因数の和:8921

約数の個数: 72

約数和(自身を含む): 1485093960

約数和(自身を除く): 863228980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1210, 1276, 1595, 2420, 3190, 3509, 6380, 7018, 8861, 14036, 17545, 17722, 35090, 35444, 44305, 70180, 88610, 97471, 177220, 194942, 256969, 389884, 487355, 513938, 974710, 1027876, 1072181, 1284845, 1949420, 2144362, 2569690, 2826659, 4288724, 5139380, 5360905, 5653318, 10721810, 11306636, 14133295, 21443620, 28266590, 31093249, 56533180, 62186498, 124372996, 155466245, 310932490, 621864980]

約数ペア:

[(1, 621864980), (2, 310932490), (4, 155466245), (5, 124372996), (10, 62186498), (11, 56533180), (20, 31093249), (22, 28266590), (29, 21443620), (44, 14133295), (55, 11306636), (58, 10721810), (110, 5653318), (116, 5360905), (121, 5139380), (145, 4288724), (220, 2826659), (242, 2569690), (290, 2144362), (319, 1949420), (484, 1284845), (580, 1072181), (605, 1027876), (638, 974710), (1210, 513938), (1276, 487355), (1595, 389884), (2420, 256969), (3190, 194942), (3509, 177220), (6380, 97471), (7018, 88610), (8861, 70180), (14036, 44305), (17545, 35444), (17722, 35090)]