990518970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^2\times {\mathrm{397}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 2748912768

約数和(自身を除く): 1758393798

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 397, 545, 654, 763, 794, 1090, 1191, 1526, 1635, 1985, 2289, 2382, 2779, 3270, 3815, 3970, 4578, 5558, 5955, 7630, 8337, 11445, 11881, 11910, 13895, 16674, 22890, 23762, 27790, 35643, 41685, 43273, 59405, 71286, 83167, 83370, 86546, 118810, 129819, 166334, 178215, 216365, 249501, 259638, 302911, 356430, 415835, 432730, 499002, 605822, 649095, 831670, 908733, 1247505, 1298190, 1514555, 1817466, 2495010, 3029110, 4543665, 4716757, 9087330, 9433514, 14150271, 23583785, 28300542, 33017299, 47167570, 66034598, 70751355, 99051897, 141502710, 165086495, 198103794, 330172990, 495259485, 990518970]

約数ペア:

[(1, 990518970), (2, 495259485), (3, 330172990), (5, 198103794), (6, 165086495), (7, 141502710), (10, 99051897), (14, 70751355), (15, 66034598), (21, 47167570), (30, 33017299), (35, 28300542), (42, 23583785), (70, 14150271), (105, 9433514), (109, 9087330), (210, 4716757), (218, 4543665), (327, 3029110), (397, 2495010), (545, 1817466), (654, 1514555), (763, 1298190), (794, 1247505), (1090, 908733), (1191, 831670), (1526, 649095), (1635, 605822), (1985, 499002), (2289, 432730), (2382, 415835), (2779, 356430), (3270, 302911), (3815, 259638), (3970, 249501), (4578, 216365), (5558, 178215), (5955, 166334), (7630, 129819), (8337, 118810), (11445, 86546), (11881, 83370), (11910, 83167), (13895, 71286), (16674, 59405), (22890, 43273), (23762, 41685), (27790, 35643)]