140773640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3617}}^1$

素因数の和:3774

約数の個数: 64

約数和(自身を含む): 364694400

約数和(自身を除く): 223920760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3617, 3892, 4865, 5560, 7234, 7784, 9730, 14468, 18085, 19460, 25319, 28936, 36170, 38920, 50638, 72340, 101276, 126595, 144680, 202552, 253190, 502763, 506380, 1005526, 1012760, 2011052, 2513815, 3519341, 4022104, 5027630, 7038682, 10055260, 14077364, 17596705, 20110520, 28154728, 35193410, 70386820, 140773640]

約数ペア:

[(1, 140773640), (2, 70386820), (4, 35193410), (5, 28154728), (7, 20110520), (8, 17596705), (10, 14077364), (14, 10055260), (20, 7038682), (28, 5027630), (35, 4022104), (40, 3519341), (56, 2513815), (70, 2011052), (139, 1012760), (140, 1005526), (278, 506380), (280, 502763), (556, 253190), (695, 202552), (973, 144680), (1112, 126595), (1390, 101276), (1946, 72340), (2780, 50638), (3617, 38920), (3892, 36170), (4865, 28936), (5560, 25319), (7234, 19460), (7784, 18085), (9730, 14468)]