28902900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7411}}^1$

素因数の和:7441

約数の個数: 72

約数和(自身を含む): 90070624

約数和(自身を除く): 61167724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7411, 14822, 22233, 29644, 37055, 44466, 74110, 88932, 96343, 111165, 148220, 185275, 192686, 222330, 289029, 370550, 385372, 444660, 481715, 555825, 578058, 741100, 963430, 1111650, 1156116, 1445145, 1926860, 2223300, 2408575, 2890290, 4817150, 5780580, 7225725, 9634300, 14451450, 28902900]

約数ペア:

[(1, 28902900), (2, 14451450), (3, 9634300), (4, 7225725), (5, 5780580), (6, 4817150), (10, 2890290), (12, 2408575), (13, 2223300), (15, 1926860), (20, 1445145), (25, 1156116), (26, 1111650), (30, 963430), (39, 741100), (50, 578058), (52, 555825), (60, 481715), (65, 444660), (75, 385372), (78, 370550), (100, 289029), (130, 222330), (150, 192686), (156, 185275), (195, 148220), (260, 111165), (300, 96343), (325, 88932), (390, 74110), (650, 44466), (780, 37055), (975, 29644), (1300, 22233), (1950, 14822), (3900, 7411)]