2019250072

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 4742115840

約数和(自身を除く): 2722865768

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 107, 119, 136, 172, 214, 238, 301, 344, 428, 461, 476, 602, 731, 749, 856, 922, 952, 1204, 1462, 1498, 1819, 1844, 2408, 2924, 2996, 3227, 3638, 3688, 4601, 5117, 5848, 5992, 6454, 7276, 7837, 9202, 10234, 12733, 12908, 14552, 15674, 18404, 19823, 20468, 25466, 25816, 31348, 32207, 36808, 39646, 40936, 49327, 50932, 54859, 62696, 64414, 78217, 79292, 98654, 101864, 109718, 128828, 138761, 156434, 158584, 197308, 219436, 257656, 277522, 312868, 336991, 345289, 394616, 438872, 547519, 555044, 625736, 673982, 690578, 838559, 1095038, 1110088, 1347964, 1381156, 1677118, 2121061, 2190076, 2358937, 2695928, 2762312, 3354236, 4242122, 4380152, 4717874, 5869913, 6708472, 8484244, 9435748, 11739826, 14847427, 16968488, 18871496, 23479652, 29694854, 36058037, 46959304, 59389708, 72116074, 118779416, 144232148, 252406259, 288464296, 504812518, 1009625036, 2019250072]

約数ペア:

[(1, 2019250072), (2, 1009625036), (4, 504812518), (7, 288464296), (8, 252406259), (14, 144232148), (17, 118779416), (28, 72116074), (34, 59389708), (43, 46959304), (56, 36058037), (68, 29694854), (86, 23479652), (107, 18871496), (119, 16968488), (136, 14847427), (172, 11739826), (214, 9435748), (238, 8484244), (301, 6708472), (344, 5869913), (428, 4717874), (461, 4380152), (476, 4242122), (602, 3354236), (731, 2762312), (749, 2695928), (856, 2358937), (922, 2190076), (952, 2121061), (1204, 1677118), (1462, 1381156), (1498, 1347964), (1819, 1110088), (1844, 1095038), (2408, 838559), (2924, 690578), (2996, 673982), (3227, 625736), (3638, 555044), (3688, 547519), (4601, 438872), (5117, 394616), (5848, 345289), (5992, 336991), (6454, 312868), (7276, 277522), (7837, 257656), (9202, 219436), (10234, 197308), (12733, 158584), (12908, 156434), (14552, 138761), (15674, 128828), (18404, 109718), (19823, 101864), (20468, 98654), (25466, 79292), (25816, 78217), (31348, 64414), (32207, 62696), (36808, 54859), (39646, 50932), (40936, 49327)]