198809210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 384912000

約数和(自身を除く): 186102790

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 107, 145, 149, 214, 215, 290, 298, 430, 535, 745, 1070, 1247, 1490, 2494, 3103, 4321, 4601, 6206, 6235, 6407, 8642, 9202, 12470, 12814, 15515, 15943, 21605, 23005, 31030, 31886, 32035, 43210, 46010, 64070, 79715, 133429, 159430, 185803, 266858, 371606, 462347, 667145, 685549, 924694, 929015, 1334290, 1371098, 1858030, 2311735, 3427745, 4623470, 6855490, 19880921, 39761842, 99404605, 198809210]

約数ペア:

[(1, 198809210), (2, 99404605), (5, 39761842), (10, 19880921), (29, 6855490), (43, 4623470), (58, 3427745), (86, 2311735), (107, 1858030), (145, 1371098), (149, 1334290), (214, 929015), (215, 924694), (290, 685549), (298, 667145), (430, 462347), (535, 371606), (745, 266858), (1070, 185803), (1247, 159430), (1490, 133429), (2494, 79715), (3103, 64070), (4321, 46010), (4601, 43210), (6206, 32035), (6235, 31886), (6407, 31030), (8642, 23005), (9202, 21605), (12470, 15943), (12814, 15515)]