3974464420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{13049}}^1$

素因数の和:13312

約数の個数: 48

約数和(自身を含む): 8486780400

約数和(自身を除く): 4512315980

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 314, 388, 485, 628, 785, 970, 1570, 1940, 3140, 13049, 15229, 26098, 30458, 52196, 60916, 65245, 76145, 130490, 152290, 260980, 304580, 1265753, 2048693, 2531506, 4097386, 5063012, 6328765, 8194772, 10243465, 12657530, 20486930, 25315060, 40973860, 198723221, 397446442, 794892884, 993616105, 1987232210, 3974464420]

約数ペア:

[(1, 3974464420), (2, 1987232210), (4, 993616105), (5, 794892884), (10, 397446442), (20, 198723221), (97, 40973860), (157, 25315060), (194, 20486930), (314, 12657530), (388, 10243465), (485, 8194772), (628, 6328765), (785, 5063012), (970, 4097386), (1570, 2531506), (1940, 2048693), (3140, 1265753), (13049, 304580), (15229, 260980), (26098, 152290), (30458, 130490), (52196, 76145), (60916, 65245)]