8948380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 22867488

約数和(自身を除く): 13919108

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, 397, 460, 490, 644, 794, 805, 980, 1127, 1588, 1610, 1985, 2254, 2779, 3220, 3970, 4508, 5558, 5635, 7940, 9131, 11116, 11270, 13895, 18262, 19453, 22540, 27790, 36524, 38906, 45655, 55580, 63917, 77812, 91310, 97265, 127834, 182620, 194530, 255668, 319585, 389060, 447419, 639170, 894838, 1278340, 1789676, 2237095, 4474190, 8948380]

約数ペア:

[(1, 8948380), (2, 4474190), (4, 2237095), (5, 1789676), (7, 1278340), (10, 894838), (14, 639170), (20, 447419), (23, 389060), (28, 319585), (35, 255668), (46, 194530), (49, 182620), (70, 127834), (92, 97265), (98, 91310), (115, 77812), (140, 63917), (161, 55580), (196, 45655), (230, 38906), (245, 36524), (322, 27790), (397, 22540), (460, 19453), (490, 18262), (644, 13895), (794, 11270), (805, 11116), (980, 9131), (1127, 7940), (1588, 5635), (1610, 5558), (1985, 4508), (2254, 3970), (2779, 3220)]