290045260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{4217}}^1$

素因数の和:4426

約数の個数: 48

約数和(自身を含む): 644847840

約数和(自身を除く): 354802580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 724, 905, 1810, 3439, 3620, 4217, 6878, 8434, 13756, 16868, 17195, 21085, 34390, 42170, 68780, 80123, 84340, 160246, 320492, 400615, 763277, 801230, 1526554, 1602460, 3053108, 3816385, 7632770, 14502263, 15265540, 29004526, 58009052, 72511315, 145022630, 290045260]

約数ペア:

[(1, 290045260), (2, 145022630), (4, 72511315), (5, 58009052), (10, 29004526), (19, 15265540), (20, 14502263), (38, 7632770), (76, 3816385), (95, 3053108), (181, 1602460), (190, 1526554), (362, 801230), (380, 763277), (724, 400615), (905, 320492), (1810, 160246), (3439, 84340), (3620, 80123), (4217, 68780), (6878, 42170), (8434, 34390), (13756, 21085), (16868, 17195)]