4094440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2089}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 10721700

約数和(自身を除く): 6627260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2089, 4178, 8356, 10445, 14623, 16712, 20890, 29246, 41780, 58492, 73115, 83560, 102361, 116984, 146230, 204722, 292460, 409444, 511805, 584920, 818888, 1023610, 2047220, 4094440]

約数ペア:

[(1, 4094440), (2, 2047220), (4, 1023610), (5, 818888), (7, 584920), (8, 511805), (10, 409444), (14, 292460), (20, 204722), (28, 146230), (35, 116984), (40, 102361), (49, 83560), (56, 73115), (70, 58492), (98, 41780), (140, 29246), (196, 20890), (245, 16712), (280, 14623), (392, 10445), (490, 8356), (980, 4178), (1960, 2089)]