74392840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 170194500

約数和(自身を除く): 95801660

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 349, 365, 584, 698, 730, 1396, 1460, 1745, 2792, 2920, 3490, 5329, 6980, 10658, 13960, 21316, 25477, 26645, 42632, 50954, 53290, 101908, 106580, 127385, 203816, 213160, 254770, 509540, 1019080, 1859821, 3719642, 7439284, 9299105, 14878568, 18598210, 37196420, 74392840]

約数ペア:

[(1, 74392840), (2, 37196420), (4, 18598210), (5, 14878568), (8, 9299105), (10, 7439284), (20, 3719642), (40, 1859821), (73, 1019080), (146, 509540), (292, 254770), (349, 213160), (365, 203816), (584, 127385), (698, 106580), (730, 101908), (1396, 53290), (1460, 50954), (1745, 42632), (2792, 26645), (2920, 25477), (3490, 21316), (5329, 13960), (6980, 10658)]