28538910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 78444288

約数和(自身を除く): 49905378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 53, 62, 90, 93, 106, 155, 159, 186, 193, 265, 279, 310, 318, 386, 465, 477, 530, 558, 579, 795, 930, 954, 965, 1158, 1395, 1590, 1643, 1737, 1930, 2385, 2790, 2895, 3286, 3474, 4770, 4929, 5790, 5983, 8215, 8685, 9858, 10229, 11966, 14787, 16430, 17370, 17949, 20458, 24645, 29574, 29915, 30687, 35898, 49290, 51145, 53847, 59830, 61374, 73935, 89745, 92061, 102290, 107694, 147870, 153435, 179490, 184122, 269235, 306870, 317099, 460305, 538470, 634198, 920610, 951297, 1585495, 1902594, 2853891, 3170990, 4756485, 5707782, 9512970, 14269455, 28538910]

約数ペア:

[(1, 28538910), (2, 14269455), (3, 9512970), (5, 5707782), (6, 4756485), (9, 3170990), (10, 2853891), (15, 1902594), (18, 1585495), (30, 951297), (31, 920610), (45, 634198), (53, 538470), (62, 460305), (90, 317099), (93, 306870), (106, 269235), (155, 184122), (159, 179490), (186, 153435), (193, 147870), (265, 107694), (279, 102290), (310, 92061), (318, 89745), (386, 73935), (465, 61374), (477, 59830), (530, 53847), (558, 51145), (579, 49290), (795, 35898), (930, 30687), (954, 29915), (965, 29574), (1158, 24645), (1395, 20458), (1590, 17949), (1643, 17370), (1737, 16430), (1930, 14787), (2385, 11966), (2790, 10229), (2895, 9858), (3286, 8685), (3474, 8215), (4770, 5983), (4929, 5790)]