212129230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 425502720

約数和(自身を除く): 213373490

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 227, 230, 239, 391, 454, 478, 782, 1135, 1195, 1955, 2270, 2390, 3859, 3910, 4063, 5221, 5497, 7718, 8126, 10442, 10994, 19295, 20315, 26105, 27485, 38590, 40630, 52210, 54253, 54970, 88757, 93449, 108506, 177514, 186898, 271265, 443785, 467245, 542530, 887570, 922301, 934490, 1247819, 1844602, 2495638, 4611505, 6239095, 9223010, 12478190, 21212923, 42425846, 106064615, 212129230]

約数ペア:

[(1, 212129230), (2, 106064615), (5, 42425846), (10, 21212923), (17, 12478190), (23, 9223010), (34, 6239095), (46, 4611505), (85, 2495638), (115, 1844602), (170, 1247819), (227, 934490), (230, 922301), (239, 887570), (391, 542530), (454, 467245), (478, 443785), (782, 271265), (1135, 186898), (1195, 177514), (1955, 108506), (2270, 93449), (2390, 88757), (3859, 54970), (3910, 54253), (4063, 52210), (5221, 40630), (5497, 38590), (7718, 27485), (8126, 26105), (10442, 20315), (10994, 19295)]