143344660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 312503184

約数和(自身を除く): 169158524

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 1997, 3589, 3994, 7178, 7988, 9985, 14356, 17945, 19970, 35890, 39940, 71780, 73889, 147778, 193709, 295556, 369445, 387418, 738890, 774836, 968545, 1477780, 1937090, 3874180, 7167233, 14334466, 28668932, 35836165, 71672330, 143344660]

約数ペア:

[(1, 143344660), (2, 71672330), (4, 35836165), (5, 28668932), (10, 14334466), (20, 7167233), (37, 3874180), (74, 1937090), (97, 1477780), (148, 968545), (185, 774836), (194, 738890), (370, 387418), (388, 369445), (485, 295556), (740, 193709), (970, 147778), (1940, 73889), (1997, 71780), (3589, 39940), (3994, 35890), (7178, 19970), (7988, 17945), (9985, 14356)]