158318020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 392223384

約数和(自身を除く): 233905364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2213, 2555, 3577, 4426, 5110, 7154, 8852, 10220, 11065, 14308, 15491, 17885, 22130, 30982, 35770, 44260, 61964, 71540, 77455, 108437, 154910, 161549, 216874, 309820, 323098, 433748, 542185, 646196, 807745, 1084370, 1130843, 1615490, 2168740, 2261686, 3230980, 4523372, 5654215, 7915901, 11308430, 15831802, 22616860, 31663604, 39579505, 79159010, 158318020]

約数ペア:

[(1, 158318020), (2, 79159010), (4, 39579505), (5, 31663604), (7, 22616860), (10, 15831802), (14, 11308430), (20, 7915901), (28, 5654215), (35, 4523372), (49, 3230980), (70, 2261686), (73, 2168740), (98, 1615490), (140, 1130843), (146, 1084370), (196, 807745), (245, 646196), (292, 542185), (365, 433748), (490, 323098), (511, 309820), (730, 216874), (980, 161549), (1022, 154910), (1460, 108437), (2044, 77455), (2213, 71540), (2555, 61964), (3577, 44260), (4426, 35770), (5110, 30982), (7154, 22130), (8852, 17885), (10220, 15491), (11065, 14308)]