28530850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 27179870

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 155, 158, 233, 310, 395, 466, 775, 790, 1165, 1550, 1975, 2330, 2449, 3950, 4898, 5825, 7223, 11650, 12245, 14446, 18407, 24490, 36115, 36814, 61225, 72230, 92035, 122450, 180575, 184070, 361150, 460175, 570617, 920350, 1141234, 2853085, 5706170, 14265425, 28530850]

約数ペア:

[(1, 28530850), (2, 14265425), (5, 5706170), (10, 2853085), (25, 1141234), (31, 920350), (50, 570617), (62, 460175), (79, 361150), (155, 184070), (158, 180575), (233, 122450), (310, 92035), (395, 72230), (466, 61225), (775, 36814), (790, 36115), (1165, 24490), (1550, 18407), (1975, 14446), (2330, 12245), (2449, 11650), (3950, 7223), (4898, 5825)]