1330790020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71471}}^1$

素因数の和:71513

約数の個数: 72

約数和(自身を含む): 3422079360

約数和(自身を除く): 2091289340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 71471, 142942, 285884, 357355, 500297, 714710, 1000594, 1357949, 1429420, 2001188, 2501485, 2715898, 3502079, 5002970, 5431796, 6789745, 7004158, 9505643, 10005940, 13579490, 14008316, 17510395, 19011286, 27158980, 35020790, 38022572, 47528215, 66539501, 70041580, 95056430, 133079002, 190112860, 266158004, 332697505, 665395010, 1330790020]

約数ペア:

[(1, 1330790020), (2, 665395010), (4, 332697505), (5, 266158004), (7, 190112860), (10, 133079002), (14, 95056430), (19, 70041580), (20, 66539501), (28, 47528215), (35, 38022572), (38, 35020790), (49, 27158980), (70, 19011286), (76, 17510395), (95, 14008316), (98, 13579490), (133, 10005940), (140, 9505643), (190, 7004158), (196, 6789745), (245, 5431796), (266, 5002970), (380, 3502079), (490, 2715898), (532, 2501485), (665, 2001188), (931, 1429420), (980, 1357949), (1330, 1000594), (1862, 714710), (2660, 500297), (3724, 357355), (4655, 285884), (9310, 142942), (18620, 71471)]