419049380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 893637360

約数和(自身を除く): 474587980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 397, 445, 593, 794, 890, 1186, 1588, 1780, 1985, 2372, 2965, 3970, 5930, 7940, 11860, 35333, 52777, 70666, 105554, 141332, 176665, 211108, 235421, 263885, 353330, 470842, 527770, 706660, 941684, 1055540, 1177105, 2354210, 4708420, 20952469, 41904938, 83809876, 104762345, 209524690, 419049380]

約数ペア:

[(1, 419049380), (2, 209524690), (4, 104762345), (5, 83809876), (10, 41904938), (20, 20952469), (89, 4708420), (178, 2354210), (356, 1177105), (397, 1055540), (445, 941684), (593, 706660), (794, 527770), (890, 470842), (1186, 353330), (1588, 263885), (1780, 235421), (1985, 211108), (2372, 176665), (2965, 141332), (3970, 105554), (5930, 70666), (7940, 52777), (11860, 35333)]