1869420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4451}}^1$

素因数の和:4470

約数の個数: 48

約数和(自身を含む): 5983488

約数和(自身を除く): 4114068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4451, 8902, 13353, 17804, 22255, 26706, 31157, 44510, 53412, 62314, 66765, 89020, 93471, 124628, 133530, 155785, 186942, 267060, 311570, 373884, 467355, 623140, 934710, 1869420]

約数ペア:

[(1, 1869420), (2, 934710), (3, 623140), (4, 467355), (5, 373884), (6, 311570), (7, 267060), (10, 186942), (12, 155785), (14, 133530), (15, 124628), (20, 93471), (21, 89020), (28, 66765), (30, 62314), (35, 53412), (42, 44510), (60, 31157), (70, 26706), (84, 22255), (105, 17804), (140, 13353), (210, 8902), (420, 4451)]