251910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{311}}^1$

素因数の和:330

約数の個数: 40

約数和(自身を含む): 679536

約数和(自身を除く): 427626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 311, 405, 622, 810, 933, 1555, 1866, 2799, 3110, 4665, 5598, 8397, 9330, 13995, 16794, 25191, 27990, 41985, 50382, 83970, 125955, 251910]

約数ペア:

[(1, 251910), (2, 125955), (3, 83970), (5, 50382), (6, 41985), (9, 27990), (10, 25191), (15, 16794), (18, 13995), (27, 9330), (30, 8397), (45, 5598), (54, 4665), (81, 3110), (90, 2799), (135, 1866), (162, 1555), (270, 933), (311, 810), (405, 622)]