199920204

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 631411200

約数和(自身を除く): 431490996

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 19, 22, 27, 33, 34, 36, 38, 44, 51, 54, 57, 66, 68, 76, 99, 102, 108, 114, 132, 153, 171, 187, 198, 204, 209, 228, 297, 306, 323, 342, 374, 396, 418, 459, 513, 521, 561, 594, 612, 627, 646, 684, 748, 836, 918, 969, 1026, 1042, 1122, 1188, 1254, 1292, 1563, 1683, 1836, 1881, 1938, 2052, 2084, 2244, 2508, 2907, 3126, 3366, 3553, 3762, 3876, 4689, 5049, 5643, 5731, 5814, 6252, 6732, 7106, 7524, 8721, 8857, 9378, 9899, 10098, 10659, 11286, 11462, 11628, 14067, 14212, 17193, 17442, 17714, 18756, 19798, 20196, 21318, 22572, 22924, 26571, 28134, 29697, 31977, 34386, 34884, 35428, 39596, 42636, 51579, 53142, 56268, 59394, 63954, 68772, 79713, 89091, 95931, 97427, 103158, 106284, 108889, 118788, 127908, 154737, 159426, 168283, 178182, 191862, 194854, 206316, 217778, 239139, 267273, 292281, 309474, 318852, 326667, 336566, 356364, 383724, 389708, 435556, 478278, 504849, 534546, 584562, 618948, 653334, 673132, 876843, 956556, 980001, 1009698, 1069092, 1169124, 1306668, 1514547, 1753686, 1851113, 1960002, 2019396, 2630529, 2940003, 3029094, 3507372, 3702226, 3920004, 4543641, 5261058, 5553339, 5880006, 6058188, 7404452, 9087282, 10522116, 11106678, 11760012, 16660017, 18174564, 22213356, 33320034, 49980051, 66640068, 99960102, 199920204]

約数ペア:

[(1, 199920204), (2, 99960102), (3, 66640068), (4, 49980051), (6, 33320034), (9, 22213356), (11, 18174564), (12, 16660017), (17, 11760012), (18, 11106678), (19, 10522116), (22, 9087282), (27, 7404452), (33, 6058188), (34, 5880006), (36, 5553339), (38, 5261058), (44, 4543641), (51, 3920004), (54, 3702226), (57, 3507372), (66, 3029094), (68, 2940003), (76, 2630529), (99, 2019396), (102, 1960002), (108, 1851113), (114, 1753686), (132, 1514547), (153, 1306668), (171, 1169124), (187, 1069092), (198, 1009698), (204, 980001), (209, 956556), (228, 876843), (297, 673132), (306, 653334), (323, 618948), (342, 584562), (374, 534546), (396, 504849), (418, 478278), (459, 435556), (513, 389708), (521, 383724), (561, 356364), (594, 336566), (612, 326667), (627, 318852), (646, 309474), (684, 292281), (748, 267273), (836, 239139), (918, 217778), (969, 206316), (1026, 194854), (1042, 191862), (1122, 178182), (1188, 168283), (1254, 159426), (1292, 154737), (1563, 127908), (1683, 118788), (1836, 108889), (1881, 106284), (1938, 103158), (2052, 97427), (2084, 95931), (2244, 89091), (2508, 79713), (2907, 68772), (3126, 63954), (3366, 59394), (3553, 56268), (3762, 53142), (3876, 51579), (4689, 42636), (5049, 39596), (5643, 35428), (5731, 34884), (5814, 34386), (6252, 31977), (6732, 29697), (7106, 28134), (7524, 26571), (8721, 22924), (8857, 22572), (9378, 21318), (9899, 20196), (10098, 19798), (10659, 18756), (11286, 17714), (11462, 17442), (11628, 17193), (14067, 14212)]