72169900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{65609}}^1$

素因数の和:65634

約数の個数: 36

約数和(自身を含む): 170848440

約数和(自身を除く): 98678540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 65609, 131218, 262436, 328045, 656090, 721699, 1312180, 1443398, 1640225, 2886796, 3280450, 3608495, 6560900, 7216990, 14433980, 18042475, 36084950, 72169900]

約数ペア:

[(1, 72169900), (2, 36084950), (4, 18042475), (5, 14433980), (10, 7216990), (11, 6560900), (20, 3608495), (22, 3280450), (25, 2886796), (44, 1640225), (50, 1443398), (55, 1312180), (100, 721699), (110, 656090), (220, 328045), (275, 262436), (550, 131218), (1100, 65609)]