2019489976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 4821120000

約数和(自身を除く): 2801630024

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 149, 161, 184, 238, 298, 322, 391, 476, 596, 619, 644, 782, 952, 1043, 1192, 1238, 1288, 1564, 2086, 2476, 2533, 2737, 3128, 3427, 4172, 4333, 4952, 5066, 5474, 6854, 8344, 8666, 10132, 10523, 10948, 13708, 14237, 17332, 17731, 20264, 21046, 21896, 23989, 27416, 28474, 34664, 35462, 42092, 47978, 56948, 58259, 70924, 73661, 84184, 92231, 95956, 99659, 113896, 116518, 141848, 147322, 184462, 191912, 199318, 233036, 242029, 294644, 368924, 398636, 407813, 466072, 484058, 589288, 645617, 737848, 797272, 815626, 968116, 1291234, 1567927, 1631252, 1694203, 1936232, 2121313, 2582468, 3135854, 3262504, 3388406, 4242626, 5164936, 6271708, 6776812, 8485252, 10975489, 12543416, 13553624, 14849191, 16970504, 21950978, 29698382, 36062321, 43901956, 59396764, 72124642, 87803912, 118793528, 144249284, 252436247, 288498568, 504872494, 1009744988, 2019489976]

約数ペア:

[(1, 2019489976), (2, 1009744988), (4, 504872494), (7, 288498568), (8, 252436247), (14, 144249284), (17, 118793528), (23, 87803912), (28, 72124642), (34, 59396764), (46, 43901956), (56, 36062321), (68, 29698382), (92, 21950978), (119, 16970504), (136, 14849191), (149, 13553624), (161, 12543416), (184, 10975489), (238, 8485252), (298, 6776812), (322, 6271708), (391, 5164936), (476, 4242626), (596, 3388406), (619, 3262504), (644, 3135854), (782, 2582468), (952, 2121313), (1043, 1936232), (1192, 1694203), (1238, 1631252), (1288, 1567927), (1564, 1291234), (2086, 968116), (2476, 815626), (2533, 797272), (2737, 737848), (3128, 645617), (3427, 589288), (4172, 484058), (4333, 466072), (4952, 407813), (5066, 398636), (5474, 368924), (6854, 294644), (8344, 242029), (8666, 233036), (10132, 199318), (10523, 191912), (10948, 184462), (13708, 147322), (14237, 141848), (17332, 116518), (17731, 113896), (20264, 99659), (21046, 95956), (21896, 92231), (23989, 84184), (27416, 73661), (28474, 70924), (34664, 58259), (35462, 56948), (42092, 47978)]