221460400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11299}}^1$

素因数の和:11331

約数の個数: 90

約数和(自身を含む): 618980100

約数和(自身を除く): 397519700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 11299, 19600, 22598, 45196, 56495, 79093, 90392, 112990, 158186, 180784, 225980, 282475, 316372, 395465, 451960, 553651, 564950, 632744, 790930, 903920, 1107302, 1129900, 1265488, 1581860, 1977325, 2214604, 2259800, 2768255, 3163720, 3954650, 4429208, 4519600, 5536510, 6327440, 7909300, 8858416, 11073020, 13841275, 15818600, 22146040, 27682550, 31637200, 44292080, 55365100, 110730200, 221460400]

約数ペア:

[(1, 221460400), (2, 110730200), (4, 55365100), (5, 44292080), (7, 31637200), (8, 27682550), (10, 22146040), (14, 15818600), (16, 13841275), (20, 11073020), (25, 8858416), (28, 7909300), (35, 6327440), (40, 5536510), (49, 4519600), (50, 4429208), (56, 3954650), (70, 3163720), (80, 2768255), (98, 2259800), (100, 2214604), (112, 1977325), (140, 1581860), (175, 1265488), (196, 1129900), (200, 1107302), (245, 903920), (280, 790930), (350, 632744), (392, 564950), (400, 553651), (490, 451960), (560, 395465), (700, 316372), (784, 282475), (980, 225980), (1225, 180784), (1400, 158186), (1960, 112990), (2450, 90392), (2800, 79093), (3920, 56495), (4900, 45196), (9800, 22598), (11299, 19600)]