290055000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 923891760

約数和(自身を除く): 633836760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 125, 150, 183, 200, 244, 250, 300, 305, 317, 366, 375, 488, 500, 600, 610, 625, 634, 732, 750, 915, 951, 1000, 1220, 1250, 1268, 1464, 1500, 1525, 1585, 1830, 1875, 1902, 2440, 2500, 2536, 3000, 3050, 3170, 3660, 3750, 3804, 4575, 4755, 5000, 6100, 6340, 7320, 7500, 7608, 7625, 7925, 9150, 9510, 12200, 12680, 15000, 15250, 15850, 18300, 19020, 19337, 22875, 23775, 30500, 31700, 36600, 38040, 38125, 38674, 39625, 45750, 47550, 58011, 61000, 63400, 76250, 77348, 79250, 91500, 95100, 96685, 114375, 116022, 118875, 152500, 154696, 158500, 183000, 190200, 193370, 198125, 228750, 232044, 237750, 290055, 305000, 317000, 386740, 396250, 457500, 464088, 475500, 483425, 580110, 594375, 773480, 792500, 915000, 951000, 966850, 1160220, 1188750, 1450275, 1585000, 1933700, 2320440, 2377500, 2417125, 2900550, 3867400, 4755000, 4834250, 5801100, 7251375, 9668500, 11602200, 12085625, 14502750, 19337000, 24171250, 29005500, 36256875, 48342500, 58011000, 72513750, 96685000, 145027500, 290055000]

約数ペア:

[(1, 290055000), (2, 145027500), (3, 96685000), (4, 72513750), (5, 58011000), (6, 48342500), (8, 36256875), (10, 29005500), (12, 24171250), (15, 19337000), (20, 14502750), (24, 12085625), (25, 11602200), (30, 9668500), (40, 7251375), (50, 5801100), (60, 4834250), (61, 4755000), (75, 3867400), (100, 2900550), (120, 2417125), (122, 2377500), (125, 2320440), (150, 1933700), (183, 1585000), (200, 1450275), (244, 1188750), (250, 1160220), (300, 966850), (305, 951000), (317, 915000), (366, 792500), (375, 773480), (488, 594375), (500, 580110), (600, 483425), (610, 475500), (625, 464088), (634, 457500), (732, 396250), (750, 386740), (915, 317000), (951, 305000), (1000, 290055), (1220, 237750), (1250, 232044), (1268, 228750), (1464, 198125), (1500, 193370), (1525, 190200), (1585, 183000), (1830, 158500), (1875, 154696), (1902, 152500), (2440, 118875), (2500, 116022), (2536, 114375), (3000, 96685), (3050, 95100), (3170, 91500), (3660, 79250), (3750, 77348), (3804, 76250), (4575, 63400), (4755, 61000), (5000, 58011), (6100, 47550), (6340, 45750), (7320, 39625), (7500, 38674), (7608, 38125), (7625, 38040), (7925, 36600), (9150, 31700), (9510, 30500), (12200, 23775), (12680, 22875), (15000, 19337), (15250, 19020), (15850, 18300)]