4079740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 10456992

約数和(自身を除く): 6377252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 181, 196, 230, 245, 322, 362, 460, 490, 644, 724, 805, 905, 980, 1127, 1267, 1610, 1810, 2254, 2534, 3220, 3620, 4163, 4508, 5068, 5635, 6335, 8326, 8869, 11270, 12670, 16652, 17738, 20815, 22540, 25340, 29141, 35476, 41630, 44345, 58282, 83260, 88690, 116564, 145705, 177380, 203987, 291410, 407974, 582820, 815948, 1019935, 2039870, 4079740]

約数ペア:

[(1, 4079740), (2, 2039870), (4, 1019935), (5, 815948), (7, 582820), (10, 407974), (14, 291410), (20, 203987), (23, 177380), (28, 145705), (35, 116564), (46, 88690), (49, 83260), (70, 58282), (92, 44345), (98, 41630), (115, 35476), (140, 29141), (161, 25340), (181, 22540), (196, 20815), (230, 17738), (245, 16652), (322, 12670), (362, 11270), (460, 8869), (490, 8326), (644, 6335), (724, 5635), (805, 5068), (905, 4508), (980, 4163), (1127, 3620), (1267, 3220), (1610, 2534), (1810, 2254)]