450160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 1111536

約数和(自身を除く): 661376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 331, 340, 662, 680, 1324, 1360, 1655, 2648, 3310, 5296, 5627, 6620, 11254, 13240, 22508, 26480, 28135, 45016, 56270, 90032, 112540, 225080, 450160]

約数ペア:

[(1, 450160), (2, 225080), (4, 112540), (5, 90032), (8, 56270), (10, 45016), (16, 28135), (17, 26480), (20, 22508), (34, 13240), (40, 11254), (68, 6620), (80, 5627), (85, 5296), (136, 3310), (170, 2648), (272, 1655), (331, 1360), (340, 1324), (662, 680)]