780100

素因数分解:

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

素因数の和:312

約数の個数: 36

約数和(自身を含む): 1757700

約数和(自身を除く): 977600

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 269, 290, 538, 580, 725, 1076, 1345, 1450, 2690, 2900, 5380, 6725, 7801, 13450, 15602, 26900, 31204, 39005, 78010, 156020, 195025, 390050, 780100]

約数ペア:

[(1, 780100), (2, 390050), (4, 195025), (5, 156020), (10, 78010), (20, 39005), (25, 31204), (29, 26900), (50, 15602), (58, 13450), (100, 7801), (116, 6725), (145, 5380), (269, 2900), (290, 2690), (538, 1450), (580, 1345), (725, 1076)]