421881320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79301}}^1$

素因数の和:79338

約数の個数: 64

約数和(自身を含む): 1141948800

約数和(自身を除く): 720067480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 79301, 158602, 317204, 396505, 555107, 634408, 793010, 1110214, 1506719, 1586020, 2220428, 2775535, 3013438, 3172040, 4440856, 5551070, 6026876, 7533595, 10547033, 11102140, 12053752, 15067190, 21094066, 22204280, 30134380, 42188132, 52735165, 60268760, 84376264, 105470330, 210940660, 421881320]

約数ペア:

[(1, 421881320), (2, 210940660), (4, 105470330), (5, 84376264), (7, 60268760), (8, 52735165), (10, 42188132), (14, 30134380), (19, 22204280), (20, 21094066), (28, 15067190), (35, 12053752), (38, 11102140), (40, 10547033), (56, 7533595), (70, 6026876), (76, 5551070), (95, 4440856), (133, 3172040), (140, 3013438), (152, 2775535), (190, 2220428), (266, 1586020), (280, 1506719), (380, 1110214), (532, 793010), (665, 634408), (760, 555107), (1064, 396505), (1330, 317204), (2660, 158602), (5320, 79301)]