28290430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33917570

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 178, 190, 239, 266, 445, 478, 623, 665, 890, 1195, 1246, 1330, 1673, 1691, 2390, 3115, 3346, 3382, 4541, 6230, 8365, 8455, 9082, 11837, 16730, 16910, 21271, 22705, 23674, 31787, 42542, 45410, 59185, 63574, 106355, 118370, 148897, 158935, 212710, 297794, 317870, 404149, 744485, 808298, 1488970, 2020745, 2829043, 4041490, 5658086, 14145215, 28290430]

約数ペア:

[(1, 28290430), (2, 14145215), (5, 5658086), (7, 4041490), (10, 2829043), (14, 2020745), (19, 1488970), (35, 808298), (38, 744485), (70, 404149), (89, 317870), (95, 297794), (133, 212710), (178, 158935), (190, 148897), (239, 118370), (266, 106355), (445, 63574), (478, 59185), (623, 45410), (665, 42542), (890, 31787), (1195, 23674), (1246, 22705), (1330, 21271), (1673, 16910), (1691, 16730), (2390, 11837), (3115, 9082), (3346, 8455), (3382, 8365), (4541, 6230)]