220314815

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 335273472

約数和(自身を除く): 114958657

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 289, 391, 595, 805, 947, 1445, 1955, 2023, 2737, 4735, 6629, 6647, 10115, 13685, 16099, 21781, 33145, 33235, 46529, 80495, 108905, 112693, 152467, 232645, 273683, 370277, 563465, 762335, 1368415, 1851385, 1915781, 2591939, 6294709, 9578905, 12959695, 31473545, 44062963, 220314815]

約数ペア:

[(1, 220314815), (5, 44062963), (7, 31473545), (17, 12959695), (23, 9578905), (35, 6294709), (85, 2591939), (115, 1915781), (119, 1851385), (161, 1368415), (289, 762335), (391, 563465), (595, 370277), (805, 273683), (947, 232645), (1445, 152467), (1955, 112693), (2023, 108905), (2737, 80495), (4735, 46529), (6629, 33235), (6647, 33145), (10115, 21781), (13685, 16099)]