490641640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 1132185600

約数和(自身を除く): 641543960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 127, 236, 254, 295, 472, 508, 590, 635, 1016, 1180, 1270, 1637, 2360, 2540, 3274, 5080, 6548, 7493, 8185, 13096, 14986, 16370, 29972, 32740, 37465, 59944, 65480, 74930, 96583, 149860, 193166, 207899, 299720, 386332, 415798, 482915, 772664, 831596, 965830, 1039495, 1663192, 1931660, 2078990, 3863320, 4157980, 8315960, 12266041, 24532082, 49064164, 61330205, 98128328, 122660410, 245320820, 490641640]

約数ペア:

[(1, 490641640), (2, 245320820), (4, 122660410), (5, 98128328), (8, 61330205), (10, 49064164), (20, 24532082), (40, 12266041), (59, 8315960), (118, 4157980), (127, 3863320), (236, 2078990), (254, 1931660), (295, 1663192), (472, 1039495), (508, 965830), (590, 831596), (635, 772664), (1016, 482915), (1180, 415798), (1270, 386332), (1637, 299720), (2360, 207899), (2540, 193166), (3274, 149860), (5080, 96583), (6548, 74930), (7493, 65480), (8185, 59944), (13096, 37465), (14986, 32740), (16370, 29972)]