318492760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2273}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 746599680

約数和(自身を除く): 428106920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1240, 2260, 2273, 3503, 4520, 4546, 7006, 9092, 11365, 14012, 17515, 18184, 22730, 28024, 35030, 45460, 70060, 70463, 90920, 140120, 140926, 256849, 281852, 352315, 513698, 563704, 704630, 1027396, 1284245, 1409260, 2054792, 2568490, 2818520, 5136980, 7962319, 10273960, 15924638, 31849276, 39811595, 63698552, 79623190, 159246380, 318492760]

約数ペア:

[(1, 318492760), (2, 159246380), (4, 79623190), (5, 63698552), (8, 39811595), (10, 31849276), (20, 15924638), (31, 10273960), (40, 7962319), (62, 5136980), (113, 2818520), (124, 2568490), (155, 2054792), (226, 1409260), (248, 1284245), (310, 1027396), (452, 704630), (565, 563704), (620, 513698), (904, 352315), (1130, 281852), (1240, 256849), (2260, 140926), (2273, 140120), (3503, 90920), (4520, 70463), (4546, 70060), (7006, 45460), (9092, 35030), (11365, 28024), (14012, 22730), (17515, 18184)]