313625140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{17443}}^1$

素因数の和:17512

約数の個数: 48

約数和(自身を含む): 703342080

約数和(自身を除く): 389716940

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17443, 17980, 34886, 69772, 87215, 174430, 348860, 505847, 540733, 1011694, 1081466, 2023388, 2162932, 2529235, 2703665, 5058470, 5407330, 10116940, 10814660, 15681257, 31362514, 62725028, 78406285, 156812570, 313625140]

約数ペア:

[(1, 313625140), (2, 156812570), (4, 78406285), (5, 62725028), (10, 31362514), (20, 15681257), (29, 10814660), (31, 10116940), (58, 5407330), (62, 5058470), (116, 2703665), (124, 2529235), (145, 2162932), (155, 2023388), (290, 1081466), (310, 1011694), (580, 540733), (620, 505847), (899, 348860), (1798, 174430), (3596, 87215), (4495, 69772), (8990, 34886), (17443, 17980)]