69720950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 144865728

約数和(自身を除く): 75144778

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 169, 185, 223, 325, 338, 370, 446, 481, 650, 845, 925, 962, 1115, 1690, 1850, 2230, 2405, 2899, 4225, 4810, 5575, 5798, 6253, 8251, 8450, 11150, 12025, 12506, 14495, 16502, 24050, 28990, 31265, 37687, 41255, 62530, 72475, 75374, 82510, 107263, 144950, 156325, 188435, 206275, 214526, 312650, 376870, 412550, 536315, 942175, 1072630, 1394419, 1884350, 2681575, 2788838, 5363150, 6972095, 13944190, 34860475, 69720950]

約数ペア:

[(1, 69720950), (2, 34860475), (5, 13944190), (10, 6972095), (13, 5363150), (25, 2788838), (26, 2681575), (37, 1884350), (50, 1394419), (65, 1072630), (74, 942175), (130, 536315), (169, 412550), (185, 376870), (223, 312650), (325, 214526), (338, 206275), (370, 188435), (446, 156325), (481, 144950), (650, 107263), (845, 82510), (925, 75374), (962, 72475), (1115, 62530), (1690, 41255), (1850, 37687), (2230, 31265), (2405, 28990), (2899, 24050), (4225, 16502), (4810, 14495), (5575, 12506), (5798, 12025), (6253, 11150), (8251, 8450)]