289762580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{11399}}^1$

素因数の和:11480

約数の個数: 48

約数和(自身を含む): 643507200

約数和(自身を除く): 353744620

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 11399, 12710, 22798, 25420, 45596, 56995, 113990, 227980, 353369, 467359, 706738, 934718, 1413476, 1766845, 1869436, 2336795, 3533690, 4673590, 7067380, 9347180, 14488129, 28976258, 57952516, 72440645, 144881290, 289762580]

約数ペア:

[(1, 289762580), (2, 144881290), (4, 72440645), (5, 57952516), (10, 28976258), (20, 14488129), (31, 9347180), (41, 7067380), (62, 4673590), (82, 3533690), (124, 2336795), (155, 1869436), (164, 1766845), (205, 1413476), (310, 934718), (410, 706738), (620, 467359), (820, 353369), (1271, 227980), (2542, 113990), (5084, 56995), (6355, 45596), (11399, 25420), (12710, 22798)]