348313520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140449}}^1$

素因数の和:140493

約数の個数: 40

約数和(自身を含む): 835958400

約数和(自身を除く): 487644880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 140449, 280898, 561796, 702245, 1123592, 1404490, 2247184, 2808980, 4353919, 5617960, 8707838, 11235920, 17415676, 21769595, 34831352, 43539190, 69662704, 87078380, 174156760, 348313520]

約数ペア:

[(1, 348313520), (2, 174156760), (4, 87078380), (5, 69662704), (8, 43539190), (10, 34831352), (16, 21769595), (20, 17415676), (31, 11235920), (40, 8707838), (62, 5617960), (80, 4353919), (124, 2808980), (155, 2247184), (248, 1404490), (310, 1123592), (496, 702245), (620, 561796), (1240, 280898), (2480, 140449)]