221462290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2387

約数の個数: 64

約数和(自身を含む): 486339840

約数和(自身を除く): 264877550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 73, 95, 133, 146, 190, 266, 365, 511, 665, 730, 1022, 1330, 1387, 2281, 2555, 2774, 4562, 5110, 6935, 9709, 11405, 13870, 15967, 19418, 22810, 31934, 43339, 48545, 79835, 86678, 97090, 159670, 166513, 216695, 303373, 333026, 433390, 606746, 832565, 1165591, 1516865, 1665130, 2331182, 3033730, 3163747, 5827955, 6327494, 11655910, 15818735, 22146229, 31637470, 44292458, 110731145, 221462290]

約数ペア:

[(1, 221462290), (2, 110731145), (5, 44292458), (7, 31637470), (10, 22146229), (14, 15818735), (19, 11655910), (35, 6327494), (38, 5827955), (70, 3163747), (73, 3033730), (95, 2331182), (133, 1665130), (146, 1516865), (190, 1165591), (266, 832565), (365, 606746), (511, 433390), (665, 333026), (730, 303373), (1022, 216695), (1330, 166513), (1387, 159670), (2281, 97090), (2555, 86678), (2774, 79835), (4562, 48545), (5110, 43339), (6935, 31934), (9709, 22810), (11405, 19418), (13870, 15967)]