213415520

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13751}}^1$

素因数の和:13863

約数の個数: 48

約数和(自身を含む): 509429088

約数和(自身を除く): 296013568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 13751, 15520, 27502, 55004, 68755, 110008, 137510, 220016, 275020, 440032, 550040, 1100080, 1333847, 2200160, 2667694, 5335388, 6669235, 10670776, 13338470, 21341552, 26676940, 42683104, 53353880, 106707760, 213415520]

約数ペア:

[(1, 213415520), (2, 106707760), (4, 53353880), (5, 42683104), (8, 26676940), (10, 21341552), (16, 13338470), (20, 10670776), (32, 6669235), (40, 5335388), (80, 2667694), (97, 2200160), (160, 1333847), (194, 1100080), (388, 550040), (485, 440032), (776, 275020), (970, 220016), (1552, 137510), (1940, 110008), (3104, 68755), (3880, 55004), (7760, 27502), (13751, 15520)]