142618420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{541}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 350337960

約数和(自身を除く): 207719540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 490, 538, 541, 980, 1076, 1082, 1345, 1883, 2164, 2690, 2705, 3766, 3787, 5380, 5410, 7532, 7574, 9415, 10820, 13181, 15148, 18830, 18935, 26362, 26509, 37660, 37870, 52724, 53018, 65905, 75740, 106036, 131810, 132545, 145529, 263620, 265090, 291058, 530180, 582116, 727645, 1018703, 1455290, 2037406, 2910580, 4074812, 5093515, 7130921, 10187030, 14261842, 20374060, 28523684, 35654605, 71309210, 142618420]

約数ペア:

[(1, 142618420), (2, 71309210), (4, 35654605), (5, 28523684), (7, 20374060), (10, 14261842), (14, 10187030), (20, 7130921), (28, 5093515), (35, 4074812), (49, 2910580), (70, 2037406), (98, 1455290), (140, 1018703), (196, 727645), (245, 582116), (269, 530180), (490, 291058), (538, 265090), (541, 263620), (980, 145529), (1076, 132545), (1082, 131810), (1345, 106036), (1883, 75740), (2164, 65905), (2690, 53018), (2705, 52724), (3766, 37870), (3787, 37660), (5380, 26509), (5410, 26362), (7532, 18935), (7574, 18830), (9415, 15148), (10820, 13181)]