420140110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{111443}}^1$

素因数の和:111492

約数の個数: 32

約数和(自身を含む): 842516640

約数和(自身を除く): 422376530

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 111443, 222886, 557215, 1114430, 1448759, 2897518, 3231847, 6463694, 7243795, 14487590, 16159235, 32318470, 42014011, 84028022, 210070055, 420140110]

約数ペア:

[(1, 420140110), (2, 210070055), (5, 84028022), (10, 42014011), (13, 32318470), (26, 16159235), (29, 14487590), (58, 7243795), (65, 6463694), (130, 3231847), (145, 2897518), (290, 1448759), (377, 1114430), (754, 557215), (1885, 222886), (3770, 111443)]