890410020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{872951}}^1$

素因数の和:872980

約数の個数: 48

約数和(自身を含む): 2639806848

約数和(自身を除く): 1749396828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 872951, 1745902, 2618853, 3491804, 4364755, 5237706, 8729510, 10475412, 13094265, 14840167, 17459020, 26188530, 29680334, 44520501, 52377060, 59360668, 74200835, 89041002, 148401670, 178082004, 222602505, 296803340, 445205010, 890410020]

約数ペア:

[(1, 890410020), (2, 445205010), (3, 296803340), (4, 222602505), (5, 178082004), (6, 148401670), (10, 89041002), (12, 74200835), (15, 59360668), (17, 52377060), (20, 44520501), (30, 29680334), (34, 26188530), (51, 17459020), (60, 14840167), (68, 13094265), (85, 10475412), (102, 8729510), (170, 5237706), (204, 4364755), (255, 3491804), (340, 2618853), (510, 1745902), (1020, 872951)]