291201620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1429}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 639999360

約数和(自身を除く): 348797740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 443, 460, 886, 1429, 1772, 2215, 2858, 4430, 5716, 7145, 8860, 10189, 14290, 20378, 28580, 32867, 40756, 50945, 65734, 101890, 131468, 164335, 203780, 328670, 633047, 657340, 1266094, 2532188, 3165235, 6330470, 12660940, 14560081, 29120162, 58240324, 72800405, 145600810, 291201620]

約数ペア:

[(1, 291201620), (2, 145600810), (4, 72800405), (5, 58240324), (10, 29120162), (20, 14560081), (23, 12660940), (46, 6330470), (92, 3165235), (115, 2532188), (230, 1266094), (443, 657340), (460, 633047), (886, 328670), (1429, 203780), (1772, 164335), (2215, 131468), (2858, 101890), (4430, 65734), (5716, 50945), (7145, 40756), (8860, 32867), (10189, 28580), (14290, 20378)]