201698920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 468018000

約数和(自身を除く): 266319080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1069, 1780, 2120, 2138, 3560, 4276, 4717, 5345, 8552, 9434, 10690, 18868, 21380, 23585, 37736, 42760, 47170, 56657, 94340, 95141, 113314, 188680, 190282, 226628, 283285, 380564, 453256, 475705, 566570, 761128, 951410, 1133140, 1902820, 2266280, 3805640, 5042473, 10084946, 20169892, 25212365, 40339784, 50424730, 100849460, 201698920]

約数ペア:

[(1, 201698920), (2, 100849460), (4, 50424730), (5, 40339784), (8, 25212365), (10, 20169892), (20, 10084946), (40, 5042473), (53, 3805640), (89, 2266280), (106, 1902820), (178, 1133140), (212, 951410), (265, 761128), (356, 566570), (424, 475705), (445, 453256), (530, 380564), (712, 283285), (890, 226628), (1060, 190282), (1069, 188680), (1780, 113314), (2120, 95141), (2138, 94340), (3560, 56657), (4276, 47170), (4717, 42760), (5345, 37736), (8552, 23585), (9434, 21380), (10690, 18868)]