28689000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 91428480

約数和(自身を除く): 62739480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 73, 75, 100, 120, 125, 131, 146, 150, 200, 219, 250, 262, 292, 300, 365, 375, 393, 438, 500, 524, 584, 600, 655, 730, 750, 786, 876, 1000, 1048, 1095, 1310, 1460, 1500, 1572, 1752, 1825, 1965, 2190, 2620, 2920, 3000, 3144, 3275, 3650, 3930, 4380, 5240, 5475, 6550, 7300, 7860, 8760, 9125, 9563, 9825, 10950, 13100, 14600, 15720, 16375, 18250, 19126, 19650, 21900, 26200, 27375, 28689, 32750, 36500, 38252, 39300, 43800, 47815, 49125, 54750, 57378, 65500, 73000, 76504, 78600, 95630, 98250, 109500, 114756, 131000, 143445, 191260, 196500, 219000, 229512, 239075, 286890, 382520, 393000, 478150, 573780, 717225, 956300, 1147560, 1195375, 1434450, 1912600, 2390750, 2868900, 3586125, 4781500, 5737800, 7172250, 9563000, 14344500, 28689000]

約数ペア:

[(1, 28689000), (2, 14344500), (3, 9563000), (4, 7172250), (5, 5737800), (6, 4781500), (8, 3586125), (10, 2868900), (12, 2390750), (15, 1912600), (20, 1434450), (24, 1195375), (25, 1147560), (30, 956300), (40, 717225), (50, 573780), (60, 478150), (73, 393000), (75, 382520), (100, 286890), (120, 239075), (125, 229512), (131, 219000), (146, 196500), (150, 191260), (200, 143445), (219, 131000), (250, 114756), (262, 109500), (292, 98250), (300, 95630), (365, 78600), (375, 76504), (393, 73000), (438, 65500), (500, 57378), (524, 54750), (584, 49125), (600, 47815), (655, 43800), (730, 39300), (750, 38252), (786, 36500), (876, 32750), (1000, 28689), (1048, 27375), (1095, 26200), (1310, 21900), (1460, 19650), (1500, 19126), (1572, 18250), (1752, 16375), (1825, 15720), (1965, 14600), (2190, 13100), (2620, 10950), (2920, 9825), (3000, 9563), (3144, 9125), (3275, 8760), (3650, 7860), (3930, 7300), (4380, 6550), (5240, 5475)]