89121820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{907}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 199069920

約数和(自身を除く): 109948100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 907, 1156, 1445, 1814, 2890, 3628, 4535, 4913, 5780, 9070, 9826, 15419, 18140, 19652, 24565, 30838, 49130, 61676, 77095, 98260, 154190, 262123, 308380, 524246, 1048492, 1310615, 2621230, 4456091, 5242460, 8912182, 17824364, 22280455, 44560910, 89121820]

約数ペア:

[(1, 89121820), (2, 44560910), (4, 22280455), (5, 17824364), (10, 8912182), (17, 5242460), (20, 4456091), (34, 2621230), (68, 1310615), (85, 1048492), (170, 524246), (289, 308380), (340, 262123), (578, 154190), (907, 98260), (1156, 77095), (1445, 61676), (1814, 49130), (2890, 30838), (3628, 24565), (4535, 19652), (4913, 18140), (5780, 15419), (9070, 9826)]