201271420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^3$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 500154480

約数和(自身を除く): 298883060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2891, 3481, 4130, 5782, 6962, 8260, 11564, 13924, 14455, 17405, 24367, 28910, 34810, 48734, 57820, 69620, 97468, 121835, 170569, 205379, 243670, 341138, 410758, 487340, 682276, 821516, 852845, 1026895, 1437653, 1705690, 2053790, 2875306, 3411380, 4107580, 5750612, 7188265, 10063571, 14376530, 20127142, 28753060, 40254284, 50317855, 100635710, 201271420]

約数ペア:

[(1, 201271420), (2, 100635710), (4, 50317855), (5, 40254284), (7, 28753060), (10, 20127142), (14, 14376530), (20, 10063571), (28, 7188265), (35, 5750612), (49, 4107580), (59, 3411380), (70, 2875306), (98, 2053790), (118, 1705690), (140, 1437653), (196, 1026895), (236, 852845), (245, 821516), (295, 682276), (413, 487340), (490, 410758), (590, 341138), (826, 243670), (980, 205379), (1180, 170569), (1652, 121835), (2065, 97468), (2891, 69620), (3481, 57820), (4130, 48734), (5782, 34810), (6962, 28910), (8260, 24367), (11564, 17405), (13924, 14455)]