501680440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^3\times {\mathrm{421}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 1169176320

約数和(自身を除く): 667495880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 421, 620, 842, 961, 1240, 1684, 1922, 2105, 3368, 3844, 4210, 4805, 7688, 8420, 9610, 13051, 16840, 19220, 26102, 29791, 38440, 52204, 59582, 65255, 104408, 119164, 130510, 148955, 238328, 261020, 297910, 404581, 522040, 595820, 809162, 1191640, 1618324, 2022905, 3236648, 4045810, 8091620, 12542011, 16183240, 25084022, 50168044, 62710055, 100336088, 125420110, 250840220, 501680440]

約数ペア:

[(1, 501680440), (2, 250840220), (4, 125420110), (5, 100336088), (8, 62710055), (10, 50168044), (20, 25084022), (31, 16183240), (40, 12542011), (62, 8091620), (124, 4045810), (155, 3236648), (248, 2022905), (310, 1618324), (421, 1191640), (620, 809162), (842, 595820), (961, 522040), (1240, 404581), (1684, 297910), (1922, 261020), (2105, 238328), (3368, 148955), (3844, 130510), (4210, 119164), (4805, 104408), (7688, 65255), (8420, 59582), (9610, 52204), (13051, 38440), (16840, 29791), (19220, 26102)]