207730990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 422936640

約数和(自身を除く): 215205650

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 73, 85, 95, 146, 170, 190, 323, 365, 646, 730, 881, 1241, 1387, 1615, 1762, 2482, 2774, 3230, 4405, 6205, 6935, 8810, 12410, 13870, 14977, 16739, 23579, 29954, 33478, 47158, 64313, 74885, 83695, 117895, 128626, 149770, 167390, 235790, 284563, 321565, 569126, 643130, 1093321, 1221947, 1422815, 2186642, 2443894, 2845630, 5466605, 6109735, 10933210, 12219470, 20773099, 41546198, 103865495, 207730990]

約数ペア:

[(1, 207730990), (2, 103865495), (5, 41546198), (10, 20773099), (17, 12219470), (19, 10933210), (34, 6109735), (38, 5466605), (73, 2845630), (85, 2443894), (95, 2186642), (146, 1422815), (170, 1221947), (190, 1093321), (323, 643130), (365, 569126), (646, 321565), (730, 284563), (881, 235790), (1241, 167390), (1387, 149770), (1615, 128626), (1762, 117895), (2482, 83695), (2774, 74885), (3230, 64313), (4405, 47158), (6205, 33478), (6935, 29954), (8810, 23579), (12410, 16739), (13870, 14977)]