201918520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17467}}^1$

素因数の和:17512

約数の個数: 48

約数和(自身を含む): 482640840

約数和(自身を除く): 280722320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 17467, 34934, 69868, 87335, 139736, 174670, 296939, 349340, 593878, 698680, 1187756, 1484695, 2375512, 2969390, 5047963, 5938780, 10095926, 11877560, 20191852, 25239815, 40383704, 50479630, 100959260, 201918520]

約数ペア:

[(1, 201918520), (2, 100959260), (4, 50479630), (5, 40383704), (8, 25239815), (10, 20191852), (17, 11877560), (20, 10095926), (34, 5938780), (40, 5047963), (68, 2969390), (85, 2375512), (136, 1484695), (170, 1187756), (289, 698680), (340, 593878), (578, 349340), (680, 296939), (1156, 174670), (1445, 139736), (2312, 87335), (2890, 69868), (5780, 34934), (11560, 17467)]