2021463640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:870

約数の個数: 128

約数和(自身を含む): 5334336000

約数和(自身を除く): 3312872360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 251, 280, 343, 392, 490, 502, 587, 686, 980, 1004, 1174, 1255, 1372, 1715, 1757, 1960, 2008, 2348, 2510, 2744, 2935, 3430, 3514, 4109, 4696, 5020, 5870, 6860, 7028, 8218, 8785, 10040, 11740, 12299, 13720, 14056, 16436, 17570, 20545, 23480, 24598, 28763, 32872, 35140, 41090, 49196, 57526, 61495, 70280, 82180, 86093, 98392, 115052, 122990, 143815, 147337, 164360, 172186, 201341, 230104, 245980, 287630, 294674, 344372, 402682, 430465, 491960, 575260, 589348, 688744, 736685, 805364, 860930, 1006705, 1031359, 1150520, 1178696, 1473370, 1610728, 1721860, 2013410, 2062718, 2946740, 3443720, 4026820, 4125436, 5156795, 5893480, 7219513, 8053640, 8250872, 10313590, 14439026, 20627180, 28878052, 36097565, 41254360, 50536591, 57756104, 72195130, 101073182, 144390260, 202146364, 252682955, 288780520, 404292728, 505365910, 1010731820, 2021463640]

約数ペア:

[(1, 2021463640), (2, 1010731820), (4, 505365910), (5, 404292728), (7, 288780520), (8, 252682955), (10, 202146364), (14, 144390260), (20, 101073182), (28, 72195130), (35, 57756104), (40, 50536591), (49, 41254360), (56, 36097565), (70, 28878052), (98, 20627180), (140, 14439026), (196, 10313590), (245, 8250872), (251, 8053640), (280, 7219513), (343, 5893480), (392, 5156795), (490, 4125436), (502, 4026820), (587, 3443720), (686, 2946740), (980, 2062718), (1004, 2013410), (1174, 1721860), (1255, 1610728), (1372, 1473370), (1715, 1178696), (1757, 1150520), (1960, 1031359), (2008, 1006705), (2348, 860930), (2510, 805364), (2744, 736685), (2935, 688744), (3430, 589348), (3514, 575260), (4109, 491960), (4696, 430465), (5020, 402682), (5870, 344372), (6860, 294674), (7028, 287630), (8218, 245980), (8785, 230104), (10040, 201341), (11740, 172186), (12299, 164360), (13720, 147337), (14056, 143815), (16436, 122990), (17570, 115052), (20545, 98392), (23480, 86093), (24598, 82180), (28763, 70280), (32872, 61495), (35140, 57526), (41090, 49196)]