405965704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 819720000

約数和(自身を除く): 413754296

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 109, 152, 214, 218, 229, 428, 436, 458, 856, 872, 916, 1832, 2033, 2071, 4066, 4142, 4351, 8132, 8284, 8702, 11663, 16264, 16568, 17404, 23326, 24503, 24961, 34808, 46652, 49006, 49922, 93304, 98012, 99844, 196024, 199688, 221597, 443194, 465557, 474259, 886388, 931114, 948518, 1772776, 1862228, 1897036, 2670827, 3724456, 3794072, 5341654, 10683308, 21366616, 50745713, 101491426, 202982852, 405965704]

約数ペア:

[(1, 405965704), (2, 202982852), (4, 101491426), (8, 50745713), (19, 21366616), (38, 10683308), (76, 5341654), (107, 3794072), (109, 3724456), (152, 2670827), (214, 1897036), (218, 1862228), (229, 1772776), (428, 948518), (436, 931114), (458, 886388), (856, 474259), (872, 465557), (916, 443194), (1832, 221597), (2033, 199688), (2071, 196024), (4066, 99844), (4142, 98012), (4351, 93304), (8132, 49922), (8284, 49006), (8702, 46652), (11663, 34808), (16264, 24961), (16568, 24503), (17404, 23326)]