42391720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1499}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 110160000

約数和(自身を除く): 67768280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 1499, 2020, 2828, 2998, 3535, 4040, 5656, 5996, 7070, 7495, 10493, 11992, 14140, 14990, 20986, 28280, 29980, 41972, 52465, 59960, 83944, 104930, 151399, 209860, 302798, 419720, 605596, 756995, 1059793, 1211192, 1513990, 2119586, 3027980, 4239172, 5298965, 6055960, 8478344, 10597930, 21195860, 42391720]

約数ペア:

[(1, 42391720), (2, 21195860), (4, 10597930), (5, 8478344), (7, 6055960), (8, 5298965), (10, 4239172), (14, 3027980), (20, 2119586), (28, 1513990), (35, 1211192), (40, 1059793), (56, 756995), (70, 605596), (101, 419720), (140, 302798), (202, 209860), (280, 151399), (404, 104930), (505, 83944), (707, 59960), (808, 52465), (1010, 41972), (1414, 29980), (1499, 28280), (2020, 20986), (2828, 14990), (2998, 14140), (3535, 11992), (4040, 10493), (5656, 7495), (5996, 7070)]