172179980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7109}}^1$

素因数の和:7298

約数の個数: 48

約数和(自身を含む): 415679040

約数和(自身を除く): 243499060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 7109, 12110, 14218, 24220, 28436, 35545, 49763, 71090, 99526, 142180, 199052, 248815, 497630, 995260, 1229857, 2459714, 4919428, 6149285, 8608999, 12298570, 17217998, 24597140, 34435996, 43044995, 86089990, 172179980]

約数ペア:

[(1, 172179980), (2, 86089990), (4, 43044995), (5, 34435996), (7, 24597140), (10, 17217998), (14, 12298570), (20, 8608999), (28, 6149285), (35, 4919428), (70, 2459714), (140, 1229857), (173, 995260), (346, 497630), (692, 248815), (865, 199052), (1211, 142180), (1730, 99526), (2422, 71090), (3460, 49763), (4844, 35545), (6055, 28436), (7109, 24220), (12110, 14218)]