72405950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 139209840

約数和(自身を除く): 66803890

約数列:

[1, 2, 5, 10, 25, 50, 53, 89, 106, 178, 265, 307, 445, 530, 614, 890, 1325, 1535, 2225, 2650, 3070, 4450, 4717, 7675, 9434, 15350, 16271, 23585, 27323, 32542, 47170, 54646, 81355, 117925, 136615, 162710, 235850, 273230, 406775, 683075, 813550, 1366150, 1448119, 2896238, 7240595, 14481190, 36202975, 72405950]

約数ペア:

[(1, 72405950), (2, 36202975), (5, 14481190), (10, 7240595), (25, 2896238), (50, 1448119), (53, 1366150), (89, 813550), (106, 683075), (178, 406775), (265, 273230), (307, 235850), (445, 162710), (530, 136615), (614, 117925), (890, 81355), (1325, 54646), (1535, 47170), (2225, 32542), (2650, 27323), (3070, 23585), (4450, 16271), (4717, 15350), (7675, 9434)]