991950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 2611440

約数和(自身を除く): 1619490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 389, 425, 510, 778, 850, 1167, 1275, 1945, 2334, 2550, 3890, 5835, 6613, 9725, 11670, 13226, 19450, 19839, 29175, 33065, 39678, 58350, 66130, 99195, 165325, 198390, 330650, 495975, 991950]

約数ペア:

[(1, 991950), (2, 495975), (3, 330650), (5, 198390), (6, 165325), (10, 99195), (15, 66130), (17, 58350), (25, 39678), (30, 33065), (34, 29175), (50, 19839), (51, 19450), (75, 13226), (85, 11670), (102, 9725), (150, 6613), (170, 5835), (255, 3890), (389, 2550), (425, 2334), (510, 1945), (778, 1275), (850, 1167)]