19964753410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 43117608960

約数和(自身を除く): 23152855550

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 142, 151, 185, 259, 302, 355, 370, 497, 518, 710, 719, 755, 994, 1057, 1295, 1438, 1510, 2114, 2485, 2590, 2627, 3595, 4970, 5033, 5254, 5285, 5587, 7190, 10066, 10570, 10721, 11174, 13135, 18389, 21442, 25165, 26270, 26603, 27935, 36778, 39109, 50330, 51049, 53206, 53605, 55870, 75047, 78218, 91945, 102098, 107210, 108569, 133015, 150094, 183890, 186221, 195545, 217138, 255245, 266030, 357343, 372442, 375235, 391090, 396677, 510490, 542845, 714686, 750470, 759983, 793354, 931105, 1085690, 1519966, 1786715, 1862210, 1888813, 1983385, 2776739, 3573430, 3777626, 3799915, 3966770, 4017053, 5553478, 7599830, 7708399, 8034106, 9444065, 13221691, 13883695, 15416798, 18888130, 20085265, 26443382, 27767390, 28119371, 38541995, 40170530, 53958793, 56238742, 66108455, 77083990, 107917586, 132216910, 140596855, 269793965, 281193710, 285210763, 539587930, 570421526, 1426053815, 1996475341, 2852107630, 3992950682, 9982376705, 19964753410]

約数ペア:

[(1, 19964753410), (2, 9982376705), (5, 3992950682), (7, 2852107630), (10, 1996475341), (14, 1426053815), (35, 570421526), (37, 539587930), (70, 285210763), (71, 281193710), (74, 269793965), (142, 140596855), (151, 132216910), (185, 107917586), (259, 77083990), (302, 66108455), (355, 56238742), (370, 53958793), (497, 40170530), (518, 38541995), (710, 28119371), (719, 27767390), (755, 26443382), (994, 20085265), (1057, 18888130), (1295, 15416798), (1438, 13883695), (1510, 13221691), (2114, 9444065), (2485, 8034106), (2590, 7708399), (2627, 7599830), (3595, 5553478), (4970, 4017053), (5033, 3966770), (5254, 3799915), (5285, 3777626), (5587, 3573430), (7190, 2776739), (10066, 1983385), (10570, 1888813), (10721, 1862210), (11174, 1786715), (13135, 1519966), (18389, 1085690), (21442, 931105), (25165, 793354), (26270, 759983), (26603, 750470), (27935, 714686), (36778, 542845), (39109, 510490), (50330, 396677), (51049, 391090), (53206, 375235), (53605, 372442), (55870, 357343), (75047, 266030), (78218, 255245), (91945, 217138), (102098, 195545), (107210, 186221), (108569, 183890), (133015, 150094)]