201428920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3893

約数の個数: 128

約数和(自身を含む): 598440960

約数和(自身を除く): 397012040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1870, 2380, 2618, 3080, 3740, 3847, 4760, 5236, 6545, 7480, 7694, 10472, 13090, 15388, 19235, 26180, 26929, 30776, 38470, 42317, 52360, 53858, 65399, 76940, 84634, 107716, 130798, 134645, 153880, 169268, 211585, 215432, 261596, 269290, 296219, 326995, 338536, 423170, 457793, 523192, 538580, 592438, 653990, 719389, 846340, 915586, 1077160, 1184876, 1307980, 1438778, 1481095, 1692680, 1831172, 2288965, 2369752, 2615960, 2877556, 2962190, 3596945, 3662344, 4577930, 5035723, 5755112, 5924380, 7193890, 9155860, 10071446, 11848760, 14387780, 18311720, 20142892, 25178615, 28775560, 40285784, 50357230, 100714460, 201428920]

約数ペア:

[(1, 201428920), (2, 100714460), (4, 50357230), (5, 40285784), (7, 28775560), (8, 25178615), (10, 20142892), (11, 18311720), (14, 14387780), (17, 11848760), (20, 10071446), (22, 9155860), (28, 7193890), (34, 5924380), (35, 5755112), (40, 5035723), (44, 4577930), (55, 3662344), (56, 3596945), (68, 2962190), (70, 2877556), (77, 2615960), (85, 2369752), (88, 2288965), (110, 1831172), (119, 1692680), (136, 1481095), (140, 1438778), (154, 1307980), (170, 1184876), (187, 1077160), (220, 915586), (238, 846340), (280, 719389), (308, 653990), (340, 592438), (374, 538580), (385, 523192), (440, 457793), (476, 423170), (595, 338536), (616, 326995), (680, 296219), (748, 269290), (770, 261596), (935, 215432), (952, 211585), (1190, 169268), (1309, 153880), (1496, 134645), (1540, 130798), (1870, 107716), (2380, 84634), (2618, 76940), (3080, 65399), (3740, 53858), (3847, 52360), (4760, 42317), (5236, 38470), (6545, 30776), (7480, 26929), (7694, 26180), (10472, 19235), (13090, 15388)]