280998600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^2$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 922820400

約数和(自身を除く): 641821800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 157, 190, 200, 228, 285, 300, 314, 380, 456, 471, 475, 570, 600, 628, 760, 785, 942, 950, 1140, 1256, 1425, 1570, 1884, 1900, 2280, 2355, 2850, 2983, 3140, 3768, 3800, 3925, 4710, 5700, 5966, 6280, 7850, 8949, 9420, 11400, 11775, 11932, 14915, 15700, 17898, 18840, 23550, 23864, 24649, 29830, 31400, 35796, 44745, 47100, 49298, 59660, 71592, 73947, 74575, 89490, 94200, 98596, 119320, 123245, 147894, 149150, 178980, 197192, 223725, 246490, 295788, 298300, 357960, 369735, 447450, 468331, 492980, 591576, 596600, 616225, 739470, 894900, 936662, 985960, 1232450, 1404993, 1478940, 1789800, 1848675, 1873324, 2341655, 2464900, 2809986, 2957880, 3697350, 3746648, 4683310, 4929800, 5619972, 7024965, 7394700, 9366620, 11239944, 11708275, 14049930, 14789400, 18733240, 23416550, 28099860, 35124825, 46833100, 56199720, 70249650, 93666200, 140499300, 280998600]

約数ペア:

[(1, 280998600), (2, 140499300), (3, 93666200), (4, 70249650), (5, 56199720), (6, 46833100), (8, 35124825), (10, 28099860), (12, 23416550), (15, 18733240), (19, 14789400), (20, 14049930), (24, 11708275), (25, 11239944), (30, 9366620), (38, 7394700), (40, 7024965), (50, 5619972), (57, 4929800), (60, 4683310), (75, 3746648), (76, 3697350), (95, 2957880), (100, 2809986), (114, 2464900), (120, 2341655), (150, 1873324), (152, 1848675), (157, 1789800), (190, 1478940), (200, 1404993), (228, 1232450), (285, 985960), (300, 936662), (314, 894900), (380, 739470), (456, 616225), (471, 596600), (475, 591576), (570, 492980), (600, 468331), (628, 447450), (760, 369735), (785, 357960), (942, 298300), (950, 295788), (1140, 246490), (1256, 223725), (1425, 197192), (1570, 178980), (1884, 149150), (1900, 147894), (2280, 123245), (2355, 119320), (2850, 98596), (2983, 94200), (3140, 89490), (3768, 74575), (3800, 73947), (3925, 71592), (4710, 59660), (5700, 49298), (5966, 47100), (6280, 44745), (7850, 35796), (8949, 31400), (9420, 29830), (11400, 24649), (11775, 23864), (11932, 23550), (14915, 18840), (15700, 17898)]