290468920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7919}}^1$

素因数の和:8068

約数の個数: 64

約数和(自身を含む): 752716800

約数和(自身を除く): 462247880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 7919, 9170, 15838, 18340, 31676, 36680, 39595, 55433, 63352, 79190, 110866, 158380, 221732, 277165, 316760, 443464, 554330, 1037389, 1108660, 2074778, 2217320, 4149556, 5186945, 7261723, 8299112, 10373890, 14523446, 20747780, 29046892, 36308615, 41495560, 58093784, 72617230, 145234460, 290468920]

約数ペア:

[(1, 290468920), (2, 145234460), (4, 72617230), (5, 58093784), (7, 41495560), (8, 36308615), (10, 29046892), (14, 20747780), (20, 14523446), (28, 10373890), (35, 8299112), (40, 7261723), (56, 5186945), (70, 4149556), (131, 2217320), (140, 2074778), (262, 1108660), (280, 1037389), (524, 554330), (655, 443464), (917, 316760), (1048, 277165), (1310, 221732), (1834, 158380), (2620, 110866), (3668, 79190), (4585, 63352), (5240, 55433), (7336, 39595), (7919, 36680), (9170, 31676), (15838, 18340)]