177566740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9619}}^1$

素因数の和:9712

約数の個数: 48

約数和(自身を含む): 407272320

約数和(自身を除く): 229705580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 9619, 18460, 19238, 38476, 48095, 96190, 125047, 192380, 250094, 500188, 625235, 682949, 1250470, 1365898, 2500940, 2731796, 3414745, 6829490, 8878337, 13658980, 17756674, 35513348, 44391685, 88783370, 177566740]

約数ペア:

[(1, 177566740), (2, 88783370), (4, 44391685), (5, 35513348), (10, 17756674), (13, 13658980), (20, 8878337), (26, 6829490), (52, 3414745), (65, 2731796), (71, 2500940), (130, 1365898), (142, 1250470), (260, 682949), (284, 625235), (355, 500188), (710, 250094), (923, 192380), (1420, 125047), (1846, 96190), (3692, 48095), (4615, 38476), (9230, 19238), (9619, 18460)]