620521398

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 1649217024

約数和(自身を除く): 1028695626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 71, 81, 98, 126, 142, 147, 162, 189, 213, 243, 294, 367, 378, 426, 441, 486, 497, 567, 639, 734, 882, 994, 1101, 1134, 1278, 1323, 1491, 1701, 1917, 2202, 2569, 2646, 2982, 3303, 3402, 3479, 3834, 3969, 4473, 5138, 5751, 6606, 6958, 7707, 7938, 8946, 9909, 10437, 11502, 11907, 13419, 15414, 17253, 17983, 19818, 20874, 23121, 23814, 26057, 26838, 29727, 31311, 34506, 35966, 40257, 46242, 52114, 53949, 59454, 62622, 69363, 78171, 80514, 89181, 93933, 107898, 120771, 138726, 156342, 161847, 178362, 182399, 187866, 208089, 234513, 241542, 281799, 323694, 364798, 416178, 469026, 485541, 547197, 563598, 624267, 703539, 845397, 971082, 1094394, 1248534, 1276793, 1407078, 1456623, 1641591, 1690794, 2110617, 2553586, 2913246, 3283182, 3830379, 4221234, 4369869, 4924773, 6331851, 7660758, 8739738, 9849546, 11491137, 12663702, 14774319, 22982274, 29548638, 34473411, 44322957, 68946822, 88645914, 103420233, 206840466, 310260699, 620521398]

約数ペア:

[(1, 620521398), (2, 310260699), (3, 206840466), (6, 103420233), (7, 88645914), (9, 68946822), (14, 44322957), (18, 34473411), (21, 29548638), (27, 22982274), (42, 14774319), (49, 12663702), (54, 11491137), (63, 9849546), (71, 8739738), (81, 7660758), (98, 6331851), (126, 4924773), (142, 4369869), (147, 4221234), (162, 3830379), (189, 3283182), (213, 2913246), (243, 2553586), (294, 2110617), (367, 1690794), (378, 1641591), (426, 1456623), (441, 1407078), (486, 1276793), (497, 1248534), (567, 1094394), (639, 971082), (734, 845397), (882, 703539), (994, 624267), (1101, 563598), (1134, 547197), (1278, 485541), (1323, 469026), (1491, 416178), (1701, 364798), (1917, 323694), (2202, 281799), (2569, 241542), (2646, 234513), (2982, 208089), (3303, 187866), (3402, 182399), (3479, 178362), (3834, 161847), (3969, 156342), (4473, 138726), (5138, 120771), (5751, 107898), (6606, 93933), (6958, 89181), (7707, 80514), (7938, 78171), (8946, 69363), (9909, 62622), (10437, 59454), (11502, 53949), (11907, 52114), (13419, 46242), (15414, 40257), (17253, 35966), (17983, 34506), (19818, 31311), (20874, 29727), (23121, 26838), (23814, 26057)]