7232140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 16329600

約数和(自身を除く): 9097460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 239, 340, 356, 445, 478, 890, 956, 1195, 1513, 1780, 2390, 3026, 4063, 4780, 6052, 7565, 8126, 15130, 16252, 20315, 21271, 30260, 40630, 42542, 81260, 85084, 106355, 212710, 361607, 425420, 723214, 1446428, 1808035, 3616070, 7232140]

約数ペア:

[(1, 7232140), (2, 3616070), (4, 1808035), (5, 1446428), (10, 723214), (17, 425420), (20, 361607), (34, 212710), (68, 106355), (85, 85084), (89, 81260), (170, 42542), (178, 40630), (239, 30260), (340, 21271), (356, 20315), (445, 16252), (478, 15130), (890, 8126), (956, 7565), (1195, 6052), (1513, 4780), (1780, 4063), (2390, 3026)]