74624980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 161118720

約数和(自身を除く): 86493740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 647, 730, 790, 1294, 1460, 1580, 2588, 3235, 5767, 6470, 11534, 12940, 23068, 28835, 47231, 51113, 57670, 94462, 102226, 115340, 188924, 204452, 236155, 255565, 472310, 511130, 944620, 1022260, 3731249, 7462498, 14924996, 18656245, 37312490, 74624980]

約数ペア:

[(1, 74624980), (2, 37312490), (4, 18656245), (5, 14924996), (10, 7462498), (20, 3731249), (73, 1022260), (79, 944620), (146, 511130), (158, 472310), (292, 255565), (316, 236155), (365, 204452), (395, 188924), (647, 115340), (730, 102226), (790, 94462), (1294, 57670), (1460, 51113), (1580, 47231), (2588, 28835), (3235, 23068), (5767, 12940), (6470, 11534)]