100135780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{947}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 223606656

約数和(自身を除く): 123470876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 311, 340, 622, 947, 1244, 1555, 1894, 3110, 3788, 4735, 5287, 6220, 9470, 10574, 16099, 18940, 21148, 26435, 32198, 52870, 64396, 80495, 105740, 160990, 294517, 321980, 589034, 1178068, 1472585, 2945170, 5006789, 5890340, 10013578, 20027156, 25033945, 50067890, 100135780]

約数ペア:

[(1, 100135780), (2, 50067890), (4, 25033945), (5, 20027156), (10, 10013578), (17, 5890340), (20, 5006789), (34, 2945170), (68, 1472585), (85, 1178068), (170, 589034), (311, 321980), (340, 294517), (622, 160990), (947, 105740), (1244, 80495), (1555, 64396), (1894, 52870), (3110, 32198), (3788, 26435), (4735, 21148), (5287, 18940), (6220, 16099), (9470, 10574)]