290641180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{3547}}^1$

素因数の和:3814

約数の個数: 48

約数和(自身を含む): 649113696

約数和(自身を除く): 358472516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 1205, 2410, 3547, 4097, 4820, 7094, 8194, 14188, 16388, 17735, 20485, 35470, 40970, 60299, 70940, 81940, 120598, 241196, 301495, 602990, 854827, 1205980, 1709654, 3419308, 4274135, 8548270, 14532059, 17096540, 29064118, 58128236, 72660295, 145320590, 290641180]

約数ペア:

[(1, 290641180), (2, 145320590), (4, 72660295), (5, 58128236), (10, 29064118), (17, 17096540), (20, 14532059), (34, 8548270), (68, 4274135), (85, 3419308), (170, 1709654), (241, 1205980), (340, 854827), (482, 602990), (964, 301495), (1205, 241196), (2410, 120598), (3547, 81940), (4097, 70940), (4820, 60299), (7094, 40970), (8194, 35470), (14188, 20485), (16388, 17735)]