7423780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 19192320

約数和(自身を除く): 11768540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4079, 8158, 16316, 20395, 28553, 40790, 53027, 57106, 81580, 106054, 114212, 142765, 212108, 265135, 285530, 371189, 530270, 571060, 742378, 1060540, 1484756, 1855945, 3711890, 7423780]

約数ペア:

[(1, 7423780), (2, 3711890), (4, 1855945), (5, 1484756), (7, 1060540), (10, 742378), (13, 571060), (14, 530270), (20, 371189), (26, 285530), (28, 265135), (35, 212108), (52, 142765), (65, 114212), (70, 106054), (91, 81580), (130, 57106), (140, 53027), (182, 40790), (260, 28553), (364, 20395), (455, 16316), (910, 8158), (1820, 4079)]