31194680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2340

約数の個数: 64

約数和(自身を含む): 79073280

約数和(自身を除く): 47878600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2287, 2728, 3410, 4574, 6820, 9148, 11435, 13640, 18296, 22870, 25157, 45740, 50314, 70897, 91480, 100628, 125785, 141794, 201256, 251570, 283588, 354485, 503140, 567176, 708970, 779867, 1006280, 1417940, 1559734, 2835880, 3119468, 3899335, 6238936, 7798670, 15597340, 31194680]

約数ペア:

[(1, 31194680), (2, 15597340), (4, 7798670), (5, 6238936), (8, 3899335), (10, 3119468), (11, 2835880), (20, 1559734), (22, 1417940), (31, 1006280), (40, 779867), (44, 708970), (55, 567176), (62, 503140), (88, 354485), (110, 283588), (124, 251570), (155, 201256), (220, 141794), (248, 125785), (310, 100628), (341, 91480), (440, 70897), (620, 50314), (682, 45740), (1240, 25157), (1364, 22870), (1705, 18296), (2287, 13640), (2728, 11435), (3410, 9148), (4574, 6820)]