285419480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6221}}^1$

素因数の和:6300

約数の個数: 64

約数和(自身を含む): 680935680

約数和(自身を除く): 395516200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 6221, 9176, 11470, 12442, 22940, 24884, 31105, 45880, 49768, 62210, 124420, 192851, 230177, 248840, 385702, 460354, 771404, 920708, 964255, 1150885, 1542808, 1841416, 1928510, 2301770, 3857020, 4603540, 7135487, 7714040, 9207080, 14270974, 28541948, 35677435, 57083896, 71354870, 142709740, 285419480]

約数ペア:

[(1, 285419480), (2, 142709740), (4, 71354870), (5, 57083896), (8, 35677435), (10, 28541948), (20, 14270974), (31, 9207080), (37, 7714040), (40, 7135487), (62, 4603540), (74, 3857020), (124, 2301770), (148, 1928510), (155, 1841416), (185, 1542808), (248, 1150885), (296, 964255), (310, 920708), (370, 771404), (620, 460354), (740, 385702), (1147, 248840), (1240, 230177), (1480, 192851), (2294, 124420), (4588, 62210), (5735, 49768), (6221, 45880), (9176, 31105), (11470, 24884), (12442, 22940)]