2912102340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{990511}}^1$

素因数の和:990537

約数の個数: 72

約数和(自身を含む): 9485142912

約数和(自身を除く): 6573040572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 990511, 1981022, 2971533, 3962044, 4952555, 5943066, 6933577, 9905110, 11886132, 13867154, 14857665, 19810220, 20800731, 27734308, 29715330, 34667885, 41601462, 48535039, 59430660, 69335770, 83202924, 97070078, 104003655, 138671540, 145605117, 194140156, 208007310, 242675195, 291210234, 416014620, 485350390, 582420468, 728025585, 970700780, 1456051170, 2912102340]

約数ペア:

[(1, 2912102340), (2, 1456051170), (3, 970700780), (4, 728025585), (5, 582420468), (6, 485350390), (7, 416014620), (10, 291210234), (12, 242675195), (14, 208007310), (15, 194140156), (20, 145605117), (21, 138671540), (28, 104003655), (30, 97070078), (35, 83202924), (42, 69335770), (49, 59430660), (60, 48535039), (70, 41601462), (84, 34667885), (98, 29715330), (105, 27734308), (140, 20800731), (147, 19810220), (196, 14857665), (210, 13867154), (245, 11886132), (294, 9905110), (420, 6933577), (490, 5943066), (588, 4952555), (735, 3962044), (980, 2971533), (1470, 1981022), (2940, 990511)]