154103740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7919}}^1$

素因数の和:8074

約数の個数: 48

約数和(自身を含む): 372556800

約数和(自身を除く): 218453060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 7919, 9730, 15838, 19460, 31676, 39595, 55433, 79190, 110866, 158380, 221732, 277165, 554330, 1100741, 1108660, 2201482, 4402964, 5503705, 7705187, 11007410, 15410374, 22014820, 30820748, 38525935, 77051870, 154103740]

約数ペア:

[(1, 154103740), (2, 77051870), (4, 38525935), (5, 30820748), (7, 22014820), (10, 15410374), (14, 11007410), (20, 7705187), (28, 5503705), (35, 4402964), (70, 2201482), (139, 1108660), (140, 1100741), (278, 554330), (556, 277165), (695, 221732), (973, 158380), (1390, 110866), (1946, 79190), (2780, 55433), (3892, 39595), (4865, 31676), (7919, 19460), (9730, 15838)]