28085490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 73329048

約数和(自身を除く): 45243558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 939, 997, 1565, 1878, 1994, 2817, 2991, 3130, 4695, 4985, 5634, 5982, 8973, 9390, 9970, 14085, 14955, 17946, 28170, 29910, 44865, 89730, 312061, 624122, 936183, 1560305, 1872366, 2808549, 3120610, 4680915, 5617098, 9361830, 14042745, 28085490]

約数ペア:

[(1, 28085490), (2, 14042745), (3, 9361830), (5, 5617098), (6, 4680915), (9, 3120610), (10, 2808549), (15, 1872366), (18, 1560305), (30, 936183), (45, 624122), (90, 312061), (313, 89730), (626, 44865), (939, 29910), (997, 28170), (1565, 17946), (1878, 14955), (1994, 14085), (2817, 9970), (2991, 9390), (3130, 8973), (4695, 5982), (4985, 5634)]