199429890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1928

約数の個数: 128

約数和(自身を含む): 582266880

約数和(自身を除く): 382836990

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 19, 22, 30, 33, 34, 38, 51, 55, 57, 66, 85, 95, 102, 110, 114, 165, 170, 187, 190, 209, 255, 285, 323, 330, 374, 418, 510, 561, 570, 627, 646, 935, 969, 1045, 1122, 1254, 1615, 1870, 1871, 1938, 2090, 2805, 3135, 3230, 3553, 3742, 4845, 5610, 5613, 6270, 7106, 9355, 9690, 10659, 11226, 17765, 18710, 20581, 21318, 28065, 31807, 35530, 35549, 41162, 53295, 56130, 61743, 63614, 71098, 95421, 102905, 106590, 106647, 123486, 159035, 177745, 190842, 205810, 213294, 308715, 318070, 349877, 355490, 391039, 477105, 533235, 604333, 617430, 699754, 782078, 954210, 1049631, 1066470, 1173117, 1208666, 1749385, 1812999, 1955195, 2099262, 2346234, 3021665, 3498770, 3625998, 3910390, 5248155, 5865585, 6043330, 6647663, 9064995, 10496310, 11731170, 13295326, 18129990, 19942989, 33238315, 39885978, 66476630, 99714945, 199429890]

約数ペア:

[(1, 199429890), (2, 99714945), (3, 66476630), (5, 39885978), (6, 33238315), (10, 19942989), (11, 18129990), (15, 13295326), (17, 11731170), (19, 10496310), (22, 9064995), (30, 6647663), (33, 6043330), (34, 5865585), (38, 5248155), (51, 3910390), (55, 3625998), (57, 3498770), (66, 3021665), (85, 2346234), (95, 2099262), (102, 1955195), (110, 1812999), (114, 1749385), (165, 1208666), (170, 1173117), (187, 1066470), (190, 1049631), (209, 954210), (255, 782078), (285, 699754), (323, 617430), (330, 604333), (374, 533235), (418, 477105), (510, 391039), (561, 355490), (570, 349877), (627, 318070), (646, 308715), (935, 213294), (969, 205810), (1045, 190842), (1122, 177745), (1254, 159035), (1615, 123486), (1870, 106647), (1871, 106590), (1938, 102905), (2090, 95421), (2805, 71098), (3135, 63614), (3230, 61743), (3553, 56130), (3742, 53295), (4845, 41162), (5610, 35549), (5613, 35530), (6270, 31807), (7106, 28065), (9355, 21318), (9690, 20581), (10659, 18710), (11226, 17765)]