172729840

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22259}}^1$

素因数の和:22369

約数の個数: 40

約数和(自身を含む): 405755280

約数和(自身を除く): 233025440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 22259, 44518, 89036, 111295, 178072, 222590, 356144, 445180, 890360, 1780720, 2159123, 4318246, 8636492, 10795615, 17272984, 21591230, 34545968, 43182460, 86364920, 172729840]

約数ペア:

[(1, 172729840), (2, 86364920), (4, 43182460), (5, 34545968), (8, 21591230), (10, 17272984), (16, 10795615), (20, 8636492), (40, 4318246), (80, 2159123), (97, 1780720), (194, 890360), (388, 445180), (485, 356144), (776, 222590), (970, 178072), (1552, 111295), (1940, 89036), (3880, 44518), (7760, 22259)]