78328340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{170279}}^1$

素因数の和:170311

約数の個数: 24

約数和(自身を含む): 171642240

約数和(自身を除く): 93313900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 170279, 340558, 681116, 851395, 1702790, 3405580, 3916417, 7832834, 15665668, 19582085, 39164170, 78328340]

約数ペア:

[(1, 78328340), (2, 39164170), (4, 19582085), (5, 15665668), (10, 7832834), (20, 3916417), (23, 3405580), (46, 1702790), (92, 851395), (115, 681116), (230, 340558), (460, 170279)]