71408810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 148414464

約数和(自身を除く): 77005654

約数列:

[1, 2, 5, 10, 11, 22, 31, 43, 55, 62, 86, 110, 155, 215, 310, 341, 430, 473, 487, 682, 946, 974, 1333, 1705, 2365, 2435, 2666, 3410, 4730, 4870, 5357, 6665, 10714, 13330, 14663, 15097, 20941, 26785, 29326, 30194, 41882, 53570, 73315, 75485, 104705, 146630, 150970, 166067, 209410, 230351, 332134, 460702, 649171, 830335, 1151755, 1298342, 1660670, 2303510, 3245855, 6491710, 7140881, 14281762, 35704405, 71408810]

約数ペア:

[(1, 71408810), (2, 35704405), (5, 14281762), (10, 7140881), (11, 6491710), (22, 3245855), (31, 2303510), (43, 1660670), (55, 1298342), (62, 1151755), (86, 830335), (110, 649171), (155, 460702), (215, 332134), (310, 230351), (341, 209410), (430, 166067), (473, 150970), (487, 146630), (682, 104705), (946, 75485), (974, 73315), (1333, 53570), (1705, 41882), (2365, 30194), (2435, 29326), (2666, 26785), (3410, 20941), (4730, 15097), (4870, 14663), (5357, 13330), (6665, 10714)]