28300500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 94261440

約数和(自身を除く): 65960940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 331, 342, 375, 380, 450, 475, 500, 570, 662, 684, 750, 855, 900, 950, 993, 1125, 1140, 1324, 1425, 1500, 1655, 1710, 1900, 1986, 2250, 2375, 2850, 2979, 3310, 3420, 3972, 4275, 4500, 4750, 4965, 5700, 5958, 6289, 6620, 7125, 8275, 8550, 9500, 9930, 11916, 12578, 14250, 14895, 16550, 17100, 18867, 19860, 21375, 24825, 25156, 28500, 29790, 31445, 33100, 37734, 41375, 42750, 49650, 56601, 59580, 62890, 74475, 75468, 82750, 85500, 94335, 99300, 113202, 124125, 125780, 148950, 157225, 165500, 188670, 226404, 248250, 283005, 297900, 314450, 372375, 377340, 471675, 496500, 566010, 628900, 744750, 786125, 943350, 1132020, 1415025, 1489500, 1572250, 1886700, 2358375, 2830050, 3144500, 4716750, 5660100, 7075125, 9433500, 14150250, 28300500]

約数ペア:

[(1, 28300500), (2, 14150250), (3, 9433500), (4, 7075125), (5, 5660100), (6, 4716750), (9, 3144500), (10, 2830050), (12, 2358375), (15, 1886700), (18, 1572250), (19, 1489500), (20, 1415025), (25, 1132020), (30, 943350), (36, 786125), (38, 744750), (45, 628900), (50, 566010), (57, 496500), (60, 471675), (75, 377340), (76, 372375), (90, 314450), (95, 297900), (100, 283005), (114, 248250), (125, 226404), (150, 188670), (171, 165500), (180, 157225), (190, 148950), (225, 125780), (228, 124125), (250, 113202), (285, 99300), (300, 94335), (331, 85500), (342, 82750), (375, 75468), (380, 74475), (450, 62890), (475, 59580), (500, 56601), (570, 49650), (662, 42750), (684, 41375), (750, 37734), (855, 33100), (900, 31445), (950, 29790), (993, 28500), (1125, 25156), (1140, 24825), (1324, 21375), (1425, 19860), (1500, 18867), (1655, 17100), (1710, 16550), (1900, 14895), (1986, 14250), (2250, 12578), (2375, 11916), (2850, 9930), (2979, 9500), (3310, 8550), (3420, 8275), (3972, 7125), (4275, 6620), (4500, 6289), (4750, 5958), (4965, 5700)]