9990450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^2$

素因数の和:316

約数の個数: 54

約数和(自身を含む): 27022359

約数和(自身を除く): 17031909

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 298, 447, 450, 745, 894, 1341, 1490, 2235, 2682, 3725, 4470, 6705, 7450, 11175, 13410, 22201, 22350, 33525, 44402, 66603, 67050, 111005, 133206, 199809, 222010, 333015, 399618, 555025, 666030, 999045, 1110050, 1665075, 1998090, 3330150, 4995225, 9990450]

約数ペア:

[(1, 9990450), (2, 4995225), (3, 3330150), (5, 1998090), (6, 1665075), (9, 1110050), (10, 999045), (15, 666030), (18, 555025), (25, 399618), (30, 333015), (45, 222010), (50, 199809), (75, 133206), (90, 111005), (149, 67050), (150, 66603), (225, 44402), (298, 33525), (447, 22350), (450, 22201), (745, 13410), (894, 11175), (1341, 7450), (1490, 6705), (2235, 4470), (2682, 3725)]