71296900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 161934080

約数和(自身を除く): 90637180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 155, 211, 218, 310, 422, 436, 545, 620, 775, 844, 1055, 1090, 1550, 2110, 2180, 2725, 3100, 3379, 4220, 5275, 5450, 6541, 6758, 10550, 10900, 13082, 13516, 16895, 21100, 22999, 26164, 32705, 33790, 45998, 65410, 67580, 84475, 91996, 114995, 130820, 163525, 168950, 229990, 327050, 337900, 459980, 574975, 654100, 712969, 1149950, 1425938, 2299900, 2851876, 3564845, 7129690, 14259380, 17824225, 35648450, 71296900]

約数ペア:

[(1, 71296900), (2, 35648450), (4, 17824225), (5, 14259380), (10, 7129690), (20, 3564845), (25, 2851876), (31, 2299900), (50, 1425938), (62, 1149950), (100, 712969), (109, 654100), (124, 574975), (155, 459980), (211, 337900), (218, 327050), (310, 229990), (422, 168950), (436, 163525), (545, 130820), (620, 114995), (775, 91996), (844, 84475), (1055, 67580), (1090, 65410), (1550, 45998), (2110, 33790), (2180, 32705), (2725, 26164), (3100, 22999), (3379, 21100), (4220, 16895), (5275, 13516), (5450, 13082), (6541, 10900), (6758, 10550)]