7751900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 18592560

約数和(自身を除く): 10840660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 89, 100, 130, 134, 178, 260, 268, 325, 335, 356, 445, 650, 670, 871, 890, 1157, 1300, 1340, 1675, 1742, 1780, 2225, 2314, 3350, 3484, 4355, 4450, 4628, 5785, 5963, 6700, 8710, 8900, 11570, 11926, 17420, 21775, 23140, 23852, 28925, 29815, 43550, 57850, 59630, 77519, 87100, 115700, 119260, 149075, 155038, 298150, 310076, 387595, 596300, 775190, 1550380, 1937975, 3875950, 7751900]

約数ペア:

[(1, 7751900), (2, 3875950), (4, 1937975), (5, 1550380), (10, 775190), (13, 596300), (20, 387595), (25, 310076), (26, 298150), (50, 155038), (52, 149075), (65, 119260), (67, 115700), (89, 87100), (100, 77519), (130, 59630), (134, 57850), (178, 43550), (260, 29815), (268, 28925), (325, 23852), (335, 23140), (356, 21775), (445, 17420), (650, 11926), (670, 11570), (871, 8900), (890, 8710), (1157, 6700), (1300, 5963), (1340, 5785), (1675, 4628), (1742, 4450), (1780, 4355), (2225, 3484), (2314, 3350)]