166989140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 363524112

約数和(自身を除く): 196534972

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 565, 740, 1130, 1997, 2260, 3994, 4181, 7988, 8362, 9985, 16724, 19970, 20905, 39940, 41810, 73889, 83620, 147778, 225661, 295556, 369445, 451322, 738890, 902644, 1128305, 1477780, 2256610, 4513220, 8349457, 16698914, 33397828, 41747285, 83494570, 166989140]

約数ペア:

[(1, 166989140), (2, 83494570), (4, 41747285), (5, 33397828), (10, 16698914), (20, 8349457), (37, 4513220), (74, 2256610), (113, 1477780), (148, 1128305), (185, 902644), (226, 738890), (370, 451322), (452, 369445), (565, 295556), (740, 225661), (1130, 147778), (1997, 83620), (2260, 73889), (3994, 41810), (4181, 39940), (7988, 20905), (8362, 19970), (9985, 16724)]