42405860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2999}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 102816000

約数和(自身を除く): 60410140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 2999, 3535, 5998, 7070, 11996, 14140, 14995, 20993, 29990, 41986, 59980, 83972, 104965, 209930, 302899, 419860, 605798, 1211596, 1514495, 2120293, 3028990, 4240586, 6057980, 8481172, 10601465, 21202930, 42405860]

約数ペア:

[(1, 42405860), (2, 21202930), (4, 10601465), (5, 8481172), (7, 6057980), (10, 4240586), (14, 3028990), (20, 2120293), (28, 1514495), (35, 1211596), (70, 605798), (101, 419860), (140, 302899), (202, 209930), (404, 104965), (505, 83972), (707, 59980), (1010, 41986), (1414, 29990), (2020, 20993), (2828, 14995), (2999, 14140), (3535, 11996), (5998, 7070)]