3972171980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{915247}}^1$

素因数の和:915294

約数の個数: 48

約数和(自身を含む): 9840746496

約数和(自身を除く): 5868574516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 915247, 1830494, 3660988, 4576235, 6406729, 9152470, 12813458, 18304940, 25626916, 28372657, 32033645, 56745314, 64067290, 113490628, 128134580, 141863285, 198608599, 283726570, 397217198, 567453140, 794434396, 993042995, 1986085990, 3972171980]

約数ペア:

[(1, 3972171980), (2, 1986085990), (4, 993042995), (5, 794434396), (7, 567453140), (10, 397217198), (14, 283726570), (20, 198608599), (28, 141863285), (31, 128134580), (35, 113490628), (62, 64067290), (70, 56745314), (124, 32033645), (140, 28372657), (155, 25626916), (217, 18304940), (310, 12813458), (434, 9152470), (620, 6406729), (868, 4576235), (1085, 3660988), (2170, 1830494), (4340, 915247)]