251188720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{108271}}^1$

素因数の和:108313

約数の個数: 40

約数和(自身を含む): 604157760

約数和(自身を除く): 352969040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 108271, 216542, 433084, 541355, 866168, 1082710, 1732336, 2165420, 3139859, 4330840, 6279718, 8661680, 12559436, 15699295, 25118872, 31398590, 50237744, 62797180, 125594360, 251188720]

約数ペア:

[(1, 251188720), (2, 125594360), (4, 62797180), (5, 50237744), (8, 31398590), (10, 25118872), (16, 15699295), (20, 12559436), (29, 8661680), (40, 6279718), (58, 4330840), (80, 3139859), (116, 2165420), (145, 1732336), (232, 1082710), (290, 866168), (464, 541355), (580, 433084), (1160, 216542), (2320, 108271)]