39454940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9091}}^1$

素因数の和:9138

約数の個数: 48

約数和(自身を含む): 97757184

約数和(自身を除く): 58302244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 9091, 18182, 36364, 45455, 63637, 90910, 127274, 181820, 254548, 281821, 318185, 563642, 636370, 1127284, 1272740, 1409105, 1972747, 2818210, 3945494, 5636420, 7890988, 9863735, 19727470, 39454940]

約数ペア:

[(1, 39454940), (2, 19727470), (4, 9863735), (5, 7890988), (7, 5636420), (10, 3945494), (14, 2818210), (20, 1972747), (28, 1409105), (31, 1272740), (35, 1127284), (62, 636370), (70, 563642), (124, 318185), (140, 281821), (155, 254548), (217, 181820), (310, 127274), (434, 90910), (620, 63637), (868, 45455), (1085, 36364), (2170, 18182), (4340, 9091)]