172920170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4013}}^1$

素因数の和:4190

約数の個数: 32

約数和(自身を含む): 323688960

約数和(自身を除く): 150768790

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4013, 4309, 8026, 8618, 20065, 21545, 40130, 43090, 124403, 248806, 557807, 622015, 1115614, 1244030, 2789035, 5578070, 17292017, 34584034, 86460085, 172920170]

約数ペア:

[(1, 172920170), (2, 86460085), (5, 34584034), (10, 17292017), (31, 5578070), (62, 2789035), (139, 1244030), (155, 1115614), (278, 622015), (310, 557807), (695, 248806), (1390, 124403), (4013, 43090), (4309, 40130), (8026, 21545), (8618, 20065)]