287172380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{13457}}^1$

素因数の和:13574

約数の個数: 48

約数和(自身を含む): 664717536

約数和(自身を除く): 377545156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 13457, 21340, 26914, 53828, 67285, 134570, 148027, 269140, 296054, 592108, 740135, 1305329, 1480270, 2610658, 2960540, 5221316, 6526645, 13053290, 14358619, 26106580, 28717238, 57434476, 71793095, 143586190, 287172380]

約数ペア:

[(1, 287172380), (2, 143586190), (4, 71793095), (5, 57434476), (10, 28717238), (11, 26106580), (20, 14358619), (22, 13053290), (44, 6526645), (55, 5221316), (97, 2960540), (110, 2610658), (194, 1480270), (220, 1305329), (388, 740135), (485, 592108), (970, 296054), (1067, 269140), (1940, 148027), (2134, 134570), (4268, 67285), (5335, 53828), (10670, 26914), (13457, 21340)]