199861310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 402969600

約数和(自身を除く): 203108290

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 109, 110, 158, 211, 218, 395, 422, 545, 790, 869, 1055, 1090, 1199, 1738, 2110, 2321, 2398, 4345, 4642, 5995, 8611, 8690, 11605, 11990, 16669, 17222, 22999, 23210, 33338, 43055, 45998, 83345, 86110, 94721, 114995, 166690, 183359, 189442, 229990, 252989, 366718, 473605, 505978, 916795, 947210, 1264945, 1816921, 1833590, 2529890, 3633842, 9084605, 18169210, 19986131, 39972262, 99930655, 199861310]

約数ペア:

[(1, 199861310), (2, 99930655), (5, 39972262), (10, 19986131), (11, 18169210), (22, 9084605), (55, 3633842), (79, 2529890), (109, 1833590), (110, 1816921), (158, 1264945), (211, 947210), (218, 916795), (395, 505978), (422, 473605), (545, 366718), (790, 252989), (869, 229990), (1055, 189442), (1090, 183359), (1199, 166690), (1738, 114995), (2110, 94721), (2321, 86110), (2398, 83345), (4345, 45998), (4642, 43055), (5995, 33338), (8611, 23210), (8690, 22999), (11605, 17222), (11990, 16669)]