209935620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1733}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 638118936

約数和(自身を除く): 428183316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 1346, 1733, 2019, 2692, 3365, 3466, 4038, 5199, 6057, 6730, 6932, 8076, 8665, 10095, 10398, 12114, 13460, 15597, 17330, 20190, 20796, 24228, 25995, 30285, 31194, 34660, 40380, 51990, 60570, 62388, 77985, 103980, 121140, 155970, 311940, 1166309, 2332618, 3498927, 4665236, 5831545, 6997854, 10496781, 11663090, 13995708, 17494635, 20993562, 23326180, 34989270, 41987124, 52483905, 69978540, 104967810, 209935620]

約数ペア:

[(1, 209935620), (2, 104967810), (3, 69978540), (4, 52483905), (5, 41987124), (6, 34989270), (9, 23326180), (10, 20993562), (12, 17494635), (15, 13995708), (18, 11663090), (20, 10496781), (30, 6997854), (36, 5831545), (45, 4665236), (60, 3498927), (90, 2332618), (180, 1166309), (673, 311940), (1346, 155970), (1733, 121140), (2019, 103980), (2692, 77985), (3365, 62388), (3466, 60570), (4038, 51990), (5199, 40380), (6057, 34660), (6730, 31194), (6932, 30285), (8076, 25995), (8665, 24228), (10095, 20796), (10398, 20190), (12114, 17330), (13460, 15597)]