87434620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6863}}^1$

素因数の和:6899

約数の個数: 72

約数和(自身を含む): 230053824

約数和(自身を除く): 142619204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 6863, 12740, 13726, 27452, 34315, 48041, 68630, 89219, 96082, 137260, 178438, 192164, 240205, 336287, 356876, 446095, 480410, 624533, 672574, 892190, 960820, 1249066, 1345148, 1681435, 1784380, 2498132, 3122665, 3362870, 4371731, 6245330, 6725740, 8743462, 12490660, 17486924, 21858655, 43717310, 87434620]

約数ペア:

[(1, 87434620), (2, 43717310), (4, 21858655), (5, 17486924), (7, 12490660), (10, 8743462), (13, 6725740), (14, 6245330), (20, 4371731), (26, 3362870), (28, 3122665), (35, 2498132), (49, 1784380), (52, 1681435), (65, 1345148), (70, 1249066), (91, 960820), (98, 892190), (130, 672574), (140, 624533), (182, 480410), (196, 446095), (245, 356876), (260, 336287), (364, 240205), (455, 192164), (490, 178438), (637, 137260), (910, 96082), (980, 89219), (1274, 68630), (1820, 48041), (2548, 34315), (3185, 27452), (6370, 13726), (6863, 12740)]