305294920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12251}}^1$

素因数の和:12358

約数の個数: 64

約数和(自身を含む): 793929600

約数和(自身を除く): 488634680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12251, 12460, 24502, 24920, 49004, 61255, 85757, 98008, 122510, 171514, 245020, 343028, 428785, 490040, 686056, 857570, 1090339, 1715140, 2180678, 3430280, 4361356, 5451695, 7632373, 8722712, 10903390, 15264746, 21806780, 30529492, 38161865, 43613560, 61058984, 76323730, 152647460, 305294920]

約数ペア:

[(1, 305294920), (2, 152647460), (4, 76323730), (5, 61058984), (7, 43613560), (8, 38161865), (10, 30529492), (14, 21806780), (20, 15264746), (28, 10903390), (35, 8722712), (40, 7632373), (56, 5451695), (70, 4361356), (89, 3430280), (140, 2180678), (178, 1715140), (280, 1090339), (356, 857570), (445, 686056), (623, 490040), (712, 428785), (890, 343028), (1246, 245020), (1780, 171514), (2492, 122510), (3115, 98008), (3560, 85757), (4984, 61255), (6230, 49004), (12251, 24920), (12460, 24502)]