28305502520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{705521}}^1$

素因数の和:705608

約数の個数: 64

約数和(自身を含む): 68576738400

約数和(自身を除く): 40271235880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2360, 4012, 5015, 8024, 10030, 20060, 40120, 705521, 1411042, 2822084, 3527605, 5644168, 7055210, 11993857, 14110420, 23987714, 28220840, 41625739, 47975428, 59969285, 83251478, 95950856, 119938570, 166502956, 208128695, 239877140, 333005912, 416257390, 479754280, 707637563, 832514780, 1415275126, 1665029560, 2830550252, 3538187815, 5661100504, 7076375630, 14152751260, 28305502520]

約数ペア:

[(1, 28305502520), (2, 14152751260), (4, 7076375630), (5, 5661100504), (8, 3538187815), (10, 2830550252), (17, 1665029560), (20, 1415275126), (34, 832514780), (40, 707637563), (59, 479754280), (68, 416257390), (85, 333005912), (118, 239877140), (136, 208128695), (170, 166502956), (236, 119938570), (295, 95950856), (340, 83251478), (472, 59969285), (590, 47975428), (680, 41625739), (1003, 28220840), (1180, 23987714), (2006, 14110420), (2360, 11993857), (4012, 7055210), (5015, 5644168), (8024, 3527605), (10030, 2822084), (20060, 1411042), (40120, 705521)]