1319697400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 3588989040

約数和(自身を除く): 2269291640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 311, 350, 392, 433, 490, 622, 700, 866, 980, 1225, 1244, 1400, 1555, 1732, 1960, 2165, 2177, 2450, 2488, 3031, 3110, 3464, 4330, 4354, 4900, 6062, 6220, 7775, 8660, 8708, 9800, 10825, 10885, 12124, 12440, 15155, 15239, 15550, 17320, 17416, 21217, 21650, 21770, 24248, 30310, 30478, 31100, 42434, 43300, 43540, 54425, 60620, 60956, 62200, 75775, 76195, 84868, 86600, 87080, 106085, 108850, 121240, 121912, 134663, 151550, 152390, 169736, 212170, 217700, 269326, 303100, 304780, 380975, 424340, 435400, 530425, 538652, 606200, 609560, 673315, 761950, 848680, 942641, 1060850, 1077304, 1346630, 1523900, 1885282, 2121700, 2693260, 3047800, 3366575, 3770564, 4243400, 4713205, 5386520, 6598487, 6733150, 7541128, 9426410, 13196974, 13466300, 18852820, 23566025, 26393948, 26932600, 32992435, 37705640, 47132050, 52787896, 65984870, 94264100, 131969740, 164962175, 188528200, 263939480, 329924350, 659848700, 1319697400]

約数ペア:

[(1, 1319697400), (2, 659848700), (4, 329924350), (5, 263939480), (7, 188528200), (8, 164962175), (10, 131969740), (14, 94264100), (20, 65984870), (25, 52787896), (28, 47132050), (35, 37705640), (40, 32992435), (49, 26932600), (50, 26393948), (56, 23566025), (70, 18852820), (98, 13466300), (100, 13196974), (140, 9426410), (175, 7541128), (196, 6733150), (200, 6598487), (245, 5386520), (280, 4713205), (311, 4243400), (350, 3770564), (392, 3366575), (433, 3047800), (490, 2693260), (622, 2121700), (700, 1885282), (866, 1523900), (980, 1346630), (1225, 1077304), (1244, 1060850), (1400, 942641), (1555, 848680), (1732, 761950), (1960, 673315), (2165, 609560), (2177, 606200), (2450, 538652), (2488, 530425), (3031, 435400), (3110, 424340), (3464, 380975), (4330, 304780), (4354, 303100), (4900, 269326), (6062, 217700), (6220, 212170), (7775, 169736), (8660, 152390), (8708, 151550), (9800, 134663), (10825, 121912), (10885, 121240), (12124, 108850), (12440, 106085), (15155, 87080), (15239, 86600), (15550, 84868), (17320, 76195), (17416, 75775), (21217, 62200), (21650, 60956), (21770, 60620), (24248, 54425), (30310, 43540), (30478, 43300), (31100, 42434)]