1498420

素因数分解:

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

素因数の和:173

約数の個数: 72

約数和(自身を含む): 4021920

約数和(自身を除く): 2523500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 139, 140, 154, 196, 220, 245, 278, 308, 385, 490, 539, 556, 695, 770, 973, 980, 1078, 1390, 1529, 1540, 1946, 2156, 2695, 2780, 3058, 3892, 4865, 5390, 6116, 6811, 7645, 9730, 10703, 10780, 13622, 15290, 19460, 21406, 27244, 30580, 34055, 42812, 53515, 68110, 74921, 107030, 136220, 149842, 214060, 299684, 374605, 749210, 1498420]

約数ペア:

[(1, 1498420), (2, 749210), (4, 374605), (5, 299684), (7, 214060), (10, 149842), (11, 136220), (14, 107030), (20, 74921), (22, 68110), (28, 53515), (35, 42812), (44, 34055), (49, 30580), (55, 27244), (70, 21406), (77, 19460), (98, 15290), (110, 13622), (139, 10780), (140, 10703), (154, 9730), (196, 7645), (220, 6811), (245, 6116), (278, 5390), (308, 4865), (385, 3892), (490, 3058), (539, 2780), (556, 2695), (695, 2156), (770, 1946), (973, 1540), (980, 1529), (1078, 1390)]