7440020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 18802560

約数和(自身を除く): 11362540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 2797, 5594, 11188, 13985, 19579, 27970, 39158, 53143, 55940, 78316, 97895, 106286, 195790, 212572, 265715, 372001, 391580, 531430, 744002, 1062860, 1488004, 1860005, 3720010, 7440020]

約数ペア:

[(1, 7440020), (2, 3720010), (4, 1860005), (5, 1488004), (7, 1062860), (10, 744002), (14, 531430), (19, 391580), (20, 372001), (28, 265715), (35, 212572), (38, 195790), (70, 106286), (76, 97895), (95, 78316), (133, 55940), (140, 53143), (190, 39158), (266, 27970), (380, 19579), (532, 13985), (665, 11188), (1330, 5594), (2660, 2797)]