28764900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1082

約数の個数: 108

約数和(自身を含む): 93160704

約数和(自身を除く): 64395804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 1031, 1116, 1395, 1550, 1860, 2062, 2325, 2790, 3093, 3100, 4124, 4650, 5155, 5580, 6186, 6975, 9279, 9300, 10310, 12372, 13950, 15465, 18558, 20620, 25775, 27900, 30930, 31961, 37116, 46395, 51550, 61860, 63922, 77325, 92790, 95883, 103100, 127844, 154650, 159805, 185580, 191766, 231975, 287649, 309300, 319610, 383532, 463950, 479415, 575298, 639220, 799025, 927900, 958830, 1150596, 1438245, 1598050, 1917660, 2397075, 2876490, 3196100, 4794150, 5752980, 7191225, 9588300, 14382450, 28764900]

約数ペア:

[(1, 28764900), (2, 14382450), (3, 9588300), (4, 7191225), (5, 5752980), (6, 4794150), (9, 3196100), (10, 2876490), (12, 2397075), (15, 1917660), (18, 1598050), (20, 1438245), (25, 1150596), (30, 958830), (31, 927900), (36, 799025), (45, 639220), (50, 575298), (60, 479415), (62, 463950), (75, 383532), (90, 319610), (93, 309300), (100, 287649), (124, 231975), (150, 191766), (155, 185580), (180, 159805), (186, 154650), (225, 127844), (279, 103100), (300, 95883), (310, 92790), (372, 77325), (450, 63922), (465, 61860), (558, 51550), (620, 46395), (775, 37116), (900, 31961), (930, 30930), (1031, 27900), (1116, 25775), (1395, 20620), (1550, 18558), (1860, 15465), (2062, 13950), (2325, 12372), (2790, 10310), (3093, 9300), (3100, 9279), (4124, 6975), (4650, 6186), (5155, 5580)]