259621880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4049}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 670680000

約数和(自身を除く): 411058120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1145, 1603, 1832, 2290, 3206, 4049, 4580, 6412, 8015, 8098, 9160, 12824, 16030, 16196, 20245, 28343, 32060, 32392, 40490, 56686, 64120, 80980, 113372, 141715, 161960, 226744, 283430, 566860, 927221, 1133720, 1854442, 3708884, 4636105, 6490547, 7417768, 9272210, 12981094, 18544420, 25962188, 32452735, 37088840, 51924376, 64905470, 129810940, 259621880]

約数ペア:

[(1, 259621880), (2, 129810940), (4, 64905470), (5, 51924376), (7, 37088840), (8, 32452735), (10, 25962188), (14, 18544420), (20, 12981094), (28, 9272210), (35, 7417768), (40, 6490547), (56, 4636105), (70, 3708884), (140, 1854442), (229, 1133720), (280, 927221), (458, 566860), (916, 283430), (1145, 226744), (1603, 161960), (1832, 141715), (2290, 113372), (3206, 80980), (4049, 64120), (4580, 56686), (6412, 40490), (8015, 32392), (8098, 32060), (9160, 28343), (12824, 20245), (16030, 16196)]