997546900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 2555392000

約数和(自身を除く): 1557845100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 127, 140, 175, 196, 229, 245, 254, 343, 350, 458, 490, 508, 635, 686, 700, 889, 916, 980, 1145, 1225, 1270, 1372, 1603, 1715, 1778, 2290, 2450, 2540, 3175, 3206, 3430, 3556, 4445, 4580, 4900, 5725, 6223, 6350, 6412, 6860, 8015, 8575, 8890, 11221, 11450, 12446, 12700, 16030, 17150, 17780, 22225, 22442, 22900, 24892, 29083, 31115, 32060, 34300, 40075, 43561, 44450, 44884, 56105, 58166, 62230, 78547, 80150, 87122, 88900, 112210, 116332, 124460, 145415, 155575, 157094, 160300, 174244, 203581, 217805, 224420, 280525, 290830, 311150, 314188, 392735, 407162, 435610, 561050, 581660, 622300, 727075, 785470, 814324, 871220, 1017905, 1089025, 1122100, 1425067, 1454150, 1570940, 1963675, 2035810, 2178050, 2850134, 2908300, 3927350, 4071620, 4356100, 5089525, 5700268, 7125335, 7854700, 9975469, 10179050, 14250670, 19950938, 20358100, 28501340, 35626675, 39901876, 49877345, 71253350, 99754690, 142506700, 199509380, 249386725, 498773450, 997546900]

約数ペア:

[(1, 997546900), (2, 498773450), (4, 249386725), (5, 199509380), (7, 142506700), (10, 99754690), (14, 71253350), (20, 49877345), (25, 39901876), (28, 35626675), (35, 28501340), (49, 20358100), (50, 19950938), (70, 14250670), (98, 10179050), (100, 9975469), (127, 7854700), (140, 7125335), (175, 5700268), (196, 5089525), (229, 4356100), (245, 4071620), (254, 3927350), (343, 2908300), (350, 2850134), (458, 2178050), (490, 2035810), (508, 1963675), (635, 1570940), (686, 1454150), (700, 1425067), (889, 1122100), (916, 1089025), (980, 1017905), (1145, 871220), (1225, 814324), (1270, 785470), (1372, 727075), (1603, 622300), (1715, 581660), (1778, 561050), (2290, 435610), (2450, 407162), (2540, 392735), (3175, 314188), (3206, 311150), (3430, 290830), (3556, 280525), (4445, 224420), (4580, 217805), (4900, 203581), (5725, 174244), (6223, 160300), (6350, 157094), (6412, 155575), (6860, 145415), (8015, 124460), (8575, 116332), (8890, 112210), (11221, 88900), (11450, 87122), (12446, 80150), (12700, 78547), (16030, 62230), (17150, 58166), (17780, 56105), (22225, 44884), (22442, 44450), (22900, 43561), (24892, 40075), (29083, 34300), (31115, 32060)]