72170740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 160372800

約数和(自身を除く): 88202060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 739, 1028, 1285, 1478, 2570, 2956, 3695, 4883, 5140, 7390, 9766, 14041, 14780, 19532, 24415, 28082, 48830, 56164, 70205, 97660, 140410, 189923, 280820, 379846, 759692, 949615, 1899230, 3608537, 3798460, 7217074, 14434148, 18042685, 36085370, 72170740]

約数ペア:

[(1, 72170740), (2, 36085370), (4, 18042685), (5, 14434148), (10, 7217074), (19, 3798460), (20, 3608537), (38, 1899230), (76, 949615), (95, 759692), (190, 379846), (257, 280820), (380, 189923), (514, 140410), (739, 97660), (1028, 70205), (1285, 56164), (1478, 48830), (2570, 28082), (2956, 24415), (3695, 19532), (4883, 14780), (5140, 14041), (7390, 9766)]