187380020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1201}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 408920400

約数和(自身を除く): 221540380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 538, 580, 1076, 1201, 1345, 2402, 2690, 4804, 5380, 6005, 7801, 12010, 15602, 24020, 31204, 34829, 39005, 69658, 78010, 139316, 156020, 174145, 323069, 348290, 646138, 696580, 1292276, 1615345, 3230690, 6461380, 9369001, 18738002, 37476004, 46845005, 93690010, 187380020]

約数ペア:

[(1, 187380020), (2, 93690010), (4, 46845005), (5, 37476004), (10, 18738002), (20, 9369001), (29, 6461380), (58, 3230690), (116, 1615345), (145, 1292276), (269, 696580), (290, 646138), (538, 348290), (580, 323069), (1076, 174145), (1201, 156020), (1345, 139316), (2402, 78010), (2690, 69658), (4804, 39005), (5380, 34829), (6005, 31204), (7801, 24020), (12010, 15602)]