287061580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{8059}}^1$

素因数の和:8218

約数の個数: 48

約数和(自身を含む): 654020640

約数和(自身を除く): 366959060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8059, 8905, 16118, 17810, 32236, 35620, 40295, 80590, 104767, 161180, 209534, 419068, 523835, 1047670, 1104083, 2095340, 2208166, 4416332, 5520415, 11040830, 14353079, 22081660, 28706158, 57412316, 71765395, 143530790, 287061580]

約数ペア:

[(1, 287061580), (2, 143530790), (4, 71765395), (5, 57412316), (10, 28706158), (13, 22081660), (20, 14353079), (26, 11040830), (52, 5520415), (65, 4416332), (130, 2208166), (137, 2095340), (260, 1104083), (274, 1047670), (548, 523835), (685, 419068), (1370, 209534), (1781, 161180), (2740, 104767), (3562, 80590), (7124, 40295), (8059, 35620), (8905, 32236), (16118, 17810)]