28679400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 101779200

約数和(自身を除く): 73099800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 47, 50, 54, 60, 72, 75, 90, 94, 100, 108, 113, 120, 135, 141, 150, 180, 188, 200, 216, 225, 226, 235, 270, 282, 300, 339, 360, 376, 423, 450, 452, 470, 540, 564, 565, 600, 675, 678, 705, 846, 900, 904, 940, 1017, 1080, 1128, 1130, 1175, 1269, 1350, 1356, 1410, 1692, 1695, 1800, 1880, 2034, 2115, 2260, 2350, 2538, 2700, 2712, 2820, 2825, 3051, 3384, 3390, 3525, 4068, 4230, 4520, 4700, 5076, 5085, 5311, 5400, 5640, 5650, 6102, 6345, 6780, 7050, 8136, 8460, 8475, 9400, 10152, 10170, 10575, 10622, 11300, 12204, 12690, 13560, 14100, 15255, 15933, 16920, 16950, 20340, 21150, 21244, 22600, 24408, 25380, 25425, 26555, 28200, 30510, 31725, 31866, 33900, 40680, 42300, 42488, 47799, 50760, 50850, 53110, 61020, 63450, 63732, 67800, 76275, 79665, 84600, 95598, 101700, 106220, 122040, 126900, 127464, 132775, 143397, 152550, 159330, 191196, 203400, 212440, 238995, 253800, 265550, 286794, 305100, 318660, 382392, 398325, 477990, 531100, 573588, 610200, 637320, 716985, 796650, 955980, 1062200, 1147176, 1194975, 1433970, 1593300, 1911960, 2389950, 2867940, 3186600, 3584925, 4779900, 5735880, 7169850, 9559800, 14339700, 28679400]

約数ペア:

[(1, 28679400), (2, 14339700), (3, 9559800), (4, 7169850), (5, 5735880), (6, 4779900), (8, 3584925), (9, 3186600), (10, 2867940), (12, 2389950), (15, 1911960), (18, 1593300), (20, 1433970), (24, 1194975), (25, 1147176), (27, 1062200), (30, 955980), (36, 796650), (40, 716985), (45, 637320), (47, 610200), (50, 573588), (54, 531100), (60, 477990), (72, 398325), (75, 382392), (90, 318660), (94, 305100), (100, 286794), (108, 265550), (113, 253800), (120, 238995), (135, 212440), (141, 203400), (150, 191196), (180, 159330), (188, 152550), (200, 143397), (216, 132775), (225, 127464), (226, 126900), (235, 122040), (270, 106220), (282, 101700), (300, 95598), (339, 84600), (360, 79665), (376, 76275), (423, 67800), (450, 63732), (452, 63450), (470, 61020), (540, 53110), (564, 50850), (565, 50760), (600, 47799), (675, 42488), (678, 42300), (705, 40680), (846, 33900), (900, 31866), (904, 31725), (940, 30510), (1017, 28200), (1080, 26555), (1128, 25425), (1130, 25380), (1175, 24408), (1269, 22600), (1350, 21244), (1356, 21150), (1410, 20340), (1692, 16950), (1695, 16920), (1800, 15933), (1880, 15255), (2034, 14100), (2115, 13560), (2260, 12690), (2350, 12204), (2538, 11300), (2700, 10622), (2712, 10575), (2820, 10170), (2825, 10152), (3051, 9400), (3384, 8475), (3390, 8460), (3525, 8136), (4068, 7050), (4230, 6780), (4520, 6345), (4700, 6102), (5076, 5650), (5085, 5640), (5311, 5400)]