2007485900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{409691}}^1$

素因数の和:409719

約数の個数: 54

約数和(自身を含む): 5067480348

約数和(自身を除く): 3059994448

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 409691, 819382, 1638764, 2048455, 2867837, 4096910, 5735674, 8193820, 10242275, 11471348, 14339185, 20074859, 20484550, 28678370, 40149718, 40969100, 57356740, 71695925, 80299436, 100374295, 143391850, 200748590, 286783700, 401497180, 501871475, 1003742950, 2007485900]

約数ペア:

[(1, 2007485900), (2, 1003742950), (4, 501871475), (5, 401497180), (7, 286783700), (10, 200748590), (14, 143391850), (20, 100374295), (25, 80299436), (28, 71695925), (35, 57356740), (49, 40969100), (50, 40149718), (70, 28678370), (98, 20484550), (100, 20074859), (140, 14339185), (175, 11471348), (196, 10242275), (245, 8193820), (350, 5735674), (490, 4096910), (700, 2867837), (980, 2048455), (1225, 1638764), (2450, 819382), (4900, 409691)]