1284396920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:993

約数の個数: 96

約数和(自身を含む): 3096107280

約数和(自身を除く): 1811710360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 289, 340, 548, 578, 680, 685, 811, 1096, 1156, 1370, 1445, 1622, 2312, 2329, 2740, 2890, 3244, 4055, 4658, 5480, 5780, 6488, 8110, 9316, 11560, 11645, 13787, 16220, 18632, 23290, 27574, 32440, 39593, 46580, 55148, 68935, 79186, 93160, 110296, 111107, 137870, 158372, 197965, 222214, 234379, 275740, 316744, 395930, 444428, 468758, 551480, 555535, 791860, 888856, 937516, 1111070, 1171895, 1583720, 1875032, 1888819, 2222140, 2343790, 3777638, 4444280, 4687580, 7555276, 9375160, 9444095, 15110552, 18888190, 32109923, 37776380, 64219846, 75552760, 128439692, 160549615, 256879384, 321099230, 642198460, 1284396920]

約数ペア:

[(1, 1284396920), (2, 642198460), (4, 321099230), (5, 256879384), (8, 160549615), (10, 128439692), (17, 75552760), (20, 64219846), (34, 37776380), (40, 32109923), (68, 18888190), (85, 15110552), (136, 9444095), (137, 9375160), (170, 7555276), (274, 4687580), (289, 4444280), (340, 3777638), (548, 2343790), (578, 2222140), (680, 1888819), (685, 1875032), (811, 1583720), (1096, 1171895), (1156, 1111070), (1370, 937516), (1445, 888856), (1622, 791860), (2312, 555535), (2329, 551480), (2740, 468758), (2890, 444428), (3244, 395930), (4055, 316744), (4658, 275740), (5480, 234379), (5780, 222214), (6488, 197965), (8110, 158372), (9316, 137870), (11560, 111107), (11645, 110296), (13787, 93160), (16220, 79186), (18632, 68935), (23290, 55148), (27574, 46580), (32440, 39593)]