77868770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 167961600

約数和(自身を除く): 90092830

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 89, 145, 178, 203, 290, 406, 431, 445, 623, 862, 890, 1015, 1246, 2030, 2155, 2581, 3017, 3115, 4310, 5162, 6034, 6230, 12499, 12905, 15085, 18067, 24998, 25810, 30170, 36134, 38359, 62495, 76718, 87493, 90335, 124990, 174986, 180670, 191795, 268513, 383590, 437465, 537026, 874930, 1112411, 1342565, 2224822, 2685130, 5562055, 7786877, 11124110, 15573754, 38934385, 77868770]

約数ペア:

[(1, 77868770), (2, 38934385), (5, 15573754), (7, 11124110), (10, 7786877), (14, 5562055), (29, 2685130), (35, 2224822), (58, 1342565), (70, 1112411), (89, 874930), (145, 537026), (178, 437465), (203, 383590), (290, 268513), (406, 191795), (431, 180670), (445, 174986), (623, 124990), (862, 90335), (890, 87493), (1015, 76718), (1246, 62495), (2030, 38359), (2155, 36134), (2581, 30170), (3017, 25810), (3115, 24998), (4310, 18067), (5162, 15085), (6034, 12905), (6230, 12499)]