17445890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 22228990

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 163, 278, 326, 385, 695, 770, 815, 973, 1141, 1390, 1529, 1630, 1793, 1946, 2282, 3058, 3586, 4865, 5705, 7645, 8965, 9730, 10703, 11410, 12551, 15290, 17930, 21406, 22657, 25102, 45314, 53515, 62755, 107030, 113285, 125510, 158599, 226570, 249227, 317198, 498454, 792995, 1246135, 1585990, 1744589, 2492270, 3489178, 8722945, 17445890]

約数ペア:

[(1, 17445890), (2, 8722945), (5, 3489178), (7, 2492270), (10, 1744589), (11, 1585990), (14, 1246135), (22, 792995), (35, 498454), (55, 317198), (70, 249227), (77, 226570), (110, 158599), (139, 125510), (154, 113285), (163, 107030), (278, 62755), (326, 53515), (385, 45314), (695, 25102), (770, 22657), (815, 21406), (973, 17930), (1141, 15290), (1390, 12551), (1529, 11410), (1630, 10703), (1793, 9730), (1946, 8965), (2282, 7645), (3058, 5705), (3586, 4865)]