179957968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1163}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 368056800

約数和(自身を除く): 188098832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 509, 1018, 1163, 2036, 2326, 4072, 4652, 8144, 9304, 9671, 18608, 19342, 22097, 38684, 44194, 77368, 88388, 154736, 176776, 353552, 591967, 1183934, 2367868, 4735736, 9471472, 11247373, 22494746, 44989492, 89978984, 179957968]

約数ペア:

[(1, 179957968), (2, 89978984), (4, 44989492), (8, 22494746), (16, 11247373), (19, 9471472), (38, 4735736), (76, 2367868), (152, 1183934), (304, 591967), (509, 353552), (1018, 176776), (1163, 154736), (2036, 88388), (2326, 77368), (4072, 44194), (4652, 38684), (8144, 22097), (9304, 19342), (9671, 18608)]