201520460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17107}}^1$

素因数の和:17166

約数の個数: 48

約数和(自身を含む): 459863040

約数和(自身を除く): 258342580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 17107, 34214, 68428, 85535, 171070, 325033, 342140, 530317, 650066, 1060634, 1300132, 1625165, 2121268, 2651585, 3250330, 5303170, 6500660, 10076023, 10606340, 20152046, 40304092, 50380115, 100760230, 201520460]

約数ペア:

[(1, 201520460), (2, 100760230), (4, 50380115), (5, 40304092), (10, 20152046), (19, 10606340), (20, 10076023), (31, 6500660), (38, 5303170), (62, 3250330), (76, 2651585), (95, 2121268), (124, 1625165), (155, 1300132), (190, 1060634), (310, 650066), (380, 530317), (589, 342140), (620, 325033), (1178, 171070), (2356, 85535), (2945, 68428), (5890, 34214), (11780, 17107)]