387440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 937440

約数和(自身を除く): 550000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 167, 232, 290, 334, 464, 580, 668, 835, 1160, 1336, 1670, 2320, 2672, 3340, 4843, 6680, 9686, 13360, 19372, 24215, 38744, 48430, 77488, 96860, 193720, 387440]

約数ペア:

[(1, 387440), (2, 193720), (4, 96860), (5, 77488), (8, 48430), (10, 38744), (16, 24215), (20, 19372), (29, 13360), (40, 9686), (58, 6680), (80, 4843), (116, 3340), (145, 2672), (167, 2320), (232, 1670), (290, 1336), (334, 1160), (464, 835), (580, 668)]