2208440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 5564160

約数和(自身を除く): 3355720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 137, 155, 248, 260, 274, 310, 403, 520, 548, 620, 685, 806, 1096, 1240, 1370, 1612, 1781, 2015, 2740, 3224, 3562, 4030, 4247, 5480, 7124, 8060, 8494, 8905, 14248, 16120, 16988, 17810, 21235, 33976, 35620, 42470, 55211, 71240, 84940, 110422, 169880, 220844, 276055, 441688, 552110, 1104220, 2208440]

約数ペア:

[(1, 2208440), (2, 1104220), (4, 552110), (5, 441688), (8, 276055), (10, 220844), (13, 169880), (20, 110422), (26, 84940), (31, 71240), (40, 55211), (52, 42470), (62, 35620), (65, 33976), (104, 21235), (124, 17810), (130, 16988), (137, 16120), (155, 14248), (248, 8905), (260, 8494), (274, 8060), (310, 7124), (403, 5480), (520, 4247), (548, 4030), (620, 3562), (685, 3224), (806, 2740), (1096, 2015), (1240, 1781), (1370, 1612)]