79883900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 181905024

約数和(自身を除く): 102021124

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 73, 100, 124, 146, 155, 292, 310, 353, 365, 620, 706, 730, 775, 1412, 1460, 1550, 1765, 1825, 2263, 3100, 3530, 3650, 4526, 7060, 7300, 8825, 9052, 10943, 11315, 17650, 21886, 22630, 25769, 35300, 43772, 45260, 51538, 54715, 56575, 103076, 109430, 113150, 128845, 218860, 226300, 257690, 273575, 515380, 547150, 644225, 798839, 1094300, 1288450, 1597678, 2576900, 3195356, 3994195, 7988390, 15976780, 19970975, 39941950, 79883900]

約数ペア:

[(1, 79883900), (2, 39941950), (4, 19970975), (5, 15976780), (10, 7988390), (20, 3994195), (25, 3195356), (31, 2576900), (50, 1597678), (62, 1288450), (73, 1094300), (100, 798839), (124, 644225), (146, 547150), (155, 515380), (292, 273575), (310, 257690), (353, 226300), (365, 218860), (620, 128845), (706, 113150), (730, 109430), (775, 103076), (1412, 56575), (1460, 54715), (1550, 51538), (1765, 45260), (1825, 43772), (2263, 35300), (3100, 25769), (3530, 22630), (3650, 21886), (4526, 17650), (7060, 11315), (7300, 10943), (8825, 9052)]