11952140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 26853120

約数和(自身を除く): 14900980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 443, 710, 886, 1349, 1420, 1772, 2215, 2698, 4430, 5396, 6745, 8417, 8860, 13490, 16834, 26980, 31453, 33668, 42085, 62906, 84170, 125812, 157265, 168340, 314530, 597607, 629060, 1195214, 2390428, 2988035, 5976070, 11952140]

約数ペア:

[(1, 11952140), (2, 5976070), (4, 2988035), (5, 2390428), (10, 1195214), (19, 629060), (20, 597607), (38, 314530), (71, 168340), (76, 157265), (95, 125812), (142, 84170), (190, 62906), (284, 42085), (355, 33668), (380, 31453), (443, 26980), (710, 16834), (886, 13490), (1349, 8860), (1420, 8417), (1772, 6745), (2215, 5396), (2698, 4430)]