1288402460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{2207}}^1$

素因数の和:2351

約数の個数: 72

約数和(自身を含む): 2903935104

約数和(自身を除く): 1615532644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 289, 340, 404, 505, 578, 1010, 1156, 1445, 1717, 2020, 2207, 2890, 3434, 4414, 5780, 6868, 8585, 8828, 11035, 17170, 22070, 29189, 34340, 37519, 44140, 58378, 75038, 116756, 145945, 150076, 187595, 222907, 291890, 375190, 445814, 583780, 637823, 750380, 891628, 1114535, 1275646, 2229070, 2551292, 3189115, 3789419, 4458140, 6378230, 7578838, 12756460, 15157676, 18947095, 37894190, 64420123, 75788380, 128840246, 257680492, 322100615, 644201230, 1288402460]

約数ペア:

[(1, 1288402460), (2, 644201230), (4, 322100615), (5, 257680492), (10, 128840246), (17, 75788380), (20, 64420123), (34, 37894190), (68, 18947095), (85, 15157676), (101, 12756460), (170, 7578838), (202, 6378230), (289, 4458140), (340, 3789419), (404, 3189115), (505, 2551292), (578, 2229070), (1010, 1275646), (1156, 1114535), (1445, 891628), (1717, 750380), (2020, 637823), (2207, 583780), (2890, 445814), (3434, 375190), (4414, 291890), (5780, 222907), (6868, 187595), (8585, 150076), (8828, 145945), (11035, 116756), (17170, 75038), (22070, 58378), (29189, 44140), (34340, 37519)]