344720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 833280

約数和(自身を除く): 488560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 620, 695, 1112, 1240, 1390, 2224, 2480, 2780, 4309, 5560, 8618, 11120, 17236, 21545, 34472, 43090, 68944, 86180, 172360, 344720]

約数ペア:

[(1, 344720), (2, 172360), (4, 86180), (5, 68944), (8, 43090), (10, 34472), (16, 21545), (20, 17236), (31, 11120), (40, 8618), (62, 5560), (80, 4309), (124, 2780), (139, 2480), (155, 2224), (248, 1390), (278, 1240), (310, 1112), (496, 695), (556, 620)]