253355560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{204319}}^1$

素因数の和:204361

約数の個数: 32

約数和(自身を含む): 588441600

約数和(自身を除く): 335086040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 204319, 408638, 817276, 1021595, 1634552, 2043190, 4086380, 6333889, 8172760, 12667778, 25335556, 31669445, 50671112, 63338890, 126677780, 253355560]

約数ペア:

[(1, 253355560), (2, 126677780), (4, 63338890), (5, 50671112), (8, 31669445), (10, 25335556), (20, 12667778), (31, 8172760), (40, 6333889), (62, 4086380), (124, 2043190), (155, 1634552), (248, 1021595), (310, 817276), (620, 408638), (1240, 204319)]