30972220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 67441248

約数和(自身を除く): 36469028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 353, 410, 428, 535, 706, 820, 1070, 1412, 1765, 2140, 3530, 4387, 7060, 8774, 14473, 17548, 21935, 28946, 37771, 43870, 57892, 72365, 75542, 87740, 144730, 151084, 188855, 289460, 377710, 755420, 1548611, 3097222, 6194444, 7743055, 15486110, 30972220]

約数ペア:

[(1, 30972220), (2, 15486110), (4, 7743055), (5, 6194444), (10, 3097222), (20, 1548611), (41, 755420), (82, 377710), (107, 289460), (164, 188855), (205, 151084), (214, 144730), (353, 87740), (410, 75542), (428, 72365), (535, 57892), (706, 43870), (820, 37771), (1070, 28946), (1412, 21935), (1765, 17548), (2140, 14473), (3530, 8774), (4387, 7060)]