1188398420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{25601}}^1$

素因数の和:25832

約数の個数: 48

約数和(自身を含む): 2735522496

約数和(自身を除く): 1547124076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 2110, 2321, 4220, 4642, 9284, 11605, 23210, 25601, 46420, 51202, 102404, 128005, 256010, 281611, 512020, 563222, 1126444, 1408055, 2816110, 5401811, 5632220, 10803622, 21607244, 27009055, 54018110, 59419921, 108036220, 118839842, 237679684, 297099605, 594199210, 1188398420]

約数ペア:

[(1, 1188398420), (2, 594199210), (4, 297099605), (5, 237679684), (10, 118839842), (11, 108036220), (20, 59419921), (22, 54018110), (44, 27009055), (55, 21607244), (110, 10803622), (211, 5632220), (220, 5401811), (422, 2816110), (844, 1408055), (1055, 1126444), (2110, 563222), (2321, 512020), (4220, 281611), (4642, 256010), (9284, 128005), (11605, 102404), (23210, 51202), (25601, 46420)]