64220380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3491

約数の個数: 72

約数和(自身を含む): 165186000

約数和(自身を除く): 100965620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3449, 3724, 4655, 6898, 9310, 13796, 17245, 18620, 24143, 34490, 48286, 65531, 68980, 96572, 120715, 131062, 169001, 241430, 262124, 327655, 338002, 458717, 482860, 655310, 676004, 845005, 917434, 1310620, 1690010, 1834868, 2293585, 3211019, 3380020, 4587170, 6422038, 9174340, 12844076, 16055095, 32110190, 64220380]

約数ペア:

[(1, 64220380), (2, 32110190), (4, 16055095), (5, 12844076), (7, 9174340), (10, 6422038), (14, 4587170), (19, 3380020), (20, 3211019), (28, 2293585), (35, 1834868), (38, 1690010), (49, 1310620), (70, 917434), (76, 845005), (95, 676004), (98, 655310), (133, 482860), (140, 458717), (190, 338002), (196, 327655), (245, 262124), (266, 241430), (380, 169001), (490, 131062), (532, 120715), (665, 96572), (931, 68980), (980, 65531), (1330, 48286), (1862, 34490), (2660, 24143), (3449, 18620), (3724, 17245), (4655, 13796), (6898, 9310)]