4403980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 10725120

約数和(自身を除く): 6321140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 379, 415, 581, 758, 830, 1162, 1516, 1660, 1895, 2324, 2653, 2905, 3790, 5306, 5810, 7580, 10612, 11620, 13265, 26530, 31457, 53060, 62914, 125828, 157285, 220199, 314570, 440398, 629140, 880796, 1100995, 2201990, 4403980]

約数ペア:

[(1, 4403980), (2, 2201990), (4, 1100995), (5, 880796), (7, 629140), (10, 440398), (14, 314570), (20, 220199), (28, 157285), (35, 125828), (70, 62914), (83, 53060), (140, 31457), (166, 26530), (332, 13265), (379, 11620), (415, 10612), (581, 7580), (758, 5810), (830, 5306), (1162, 3790), (1516, 2905), (1660, 2653), (1895, 2324)]