42660380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 105489216

約数和(自身を除く): 62828836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 431, 490, 505, 707, 862, 980, 1010, 1414, 1724, 2020, 2155, 2828, 3017, 3535, 4310, 4949, 6034, 7070, 8620, 9898, 12068, 14140, 15085, 19796, 21119, 24745, 30170, 42238, 43531, 49490, 60340, 84476, 87062, 98980, 105595, 174124, 211190, 217655, 304717, 422380, 435310, 609434, 870620, 1218868, 1523585, 2133019, 3047170, 4266038, 6094340, 8532076, 10665095, 21330190, 42660380]

約数ペア:

[(1, 42660380), (2, 21330190), (4, 10665095), (5, 8532076), (7, 6094340), (10, 4266038), (14, 3047170), (20, 2133019), (28, 1523585), (35, 1218868), (49, 870620), (70, 609434), (98, 435310), (101, 422380), (140, 304717), (196, 217655), (202, 211190), (245, 174124), (404, 105595), (431, 98980), (490, 87062), (505, 84476), (707, 60340), (862, 49490), (980, 43531), (1010, 42238), (1414, 30170), (1724, 24745), (2020, 21119), (2155, 19796), (2828, 15085), (3017, 14140), (3535, 12068), (4310, 9898), (4949, 8620), (6034, 7070)]