1838204620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{81553}}^1$

素因数の和:81599

約数の個数: 72

約数和(自身を含む): 4685766624

約数和(自身を除く): 2847562004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 81553, 163106, 326212, 407765, 570871, 815530, 1141742, 1631060, 1875719, 2283484, 2854355, 3751438, 3996097, 5708710, 7502876, 7992194, 9378595, 11417420, 13130033, 15984388, 18757190, 19980485, 26260066, 37514380, 39960970, 52520132, 65650165, 79921940, 91910231, 131300330, 183820462, 262600660, 367640924, 459551155, 919102310, 1838204620]

約数ペア:

[(1, 1838204620), (2, 919102310), (4, 459551155), (5, 367640924), (7, 262600660), (10, 183820462), (14, 131300330), (20, 91910231), (23, 79921940), (28, 65650165), (35, 52520132), (46, 39960970), (49, 37514380), (70, 26260066), (92, 19980485), (98, 18757190), (115, 15984388), (140, 13130033), (161, 11417420), (196, 9378595), (230, 7992194), (245, 7502876), (322, 5708710), (460, 3996097), (490, 3751438), (644, 2854355), (805, 2283484), (980, 1875719), (1127, 1631060), (1610, 1141742), (2254, 815530), (3220, 570871), (4508, 407765), (5635, 326212), (11270, 163106), (22540, 81553)]