1900746680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4269

約数の個数: 128

約数和(自身を含む): 5173217280

約数和(自身を除く): 3272470600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 71, 92, 115, 140, 142, 161, 184, 230, 280, 284, 322, 355, 460, 497, 568, 644, 710, 805, 920, 994, 1288, 1420, 1610, 1633, 1988, 2485, 2840, 3220, 3266, 3976, 4157, 4970, 6440, 6532, 8165, 8314, 9940, 11431, 13064, 16330, 16628, 19880, 20785, 22862, 29099, 32660, 33256, 41570, 45724, 57155, 58198, 65320, 83140, 91448, 95611, 114310, 116396, 145495, 166280, 191222, 228620, 232792, 290990, 295147, 382444, 457240, 478055, 581980, 590294, 669277, 764888, 956110, 1163960, 1180588, 1338554, 1475735, 1912220, 2066029, 2361176, 2677108, 2951470, 3346385, 3824440, 4132058, 5354216, 5902940, 6692770, 6788381, 8264116, 10330145, 11805880, 13385540, 13576762, 16528232, 20660290, 26771080, 27153524, 33941905, 41320580, 47518667, 54307048, 67883810, 82641160, 95037334, 135767620, 190074668, 237593335, 271535240, 380149336, 475186670, 950373340, 1900746680]

約数ペア:

[(1, 1900746680), (2, 950373340), (4, 475186670), (5, 380149336), (7, 271535240), (8, 237593335), (10, 190074668), (14, 135767620), (20, 95037334), (23, 82641160), (28, 67883810), (35, 54307048), (40, 47518667), (46, 41320580), (56, 33941905), (70, 27153524), (71, 26771080), (92, 20660290), (115, 16528232), (140, 13576762), (142, 13385540), (161, 11805880), (184, 10330145), (230, 8264116), (280, 6788381), (284, 6692770), (322, 5902940), (355, 5354216), (460, 4132058), (497, 3824440), (568, 3346385), (644, 2951470), (710, 2677108), (805, 2361176), (920, 2066029), (994, 1912220), (1288, 1475735), (1420, 1338554), (1610, 1180588), (1633, 1163960), (1988, 956110), (2485, 764888), (2840, 669277), (3220, 590294), (3266, 581980), (3976, 478055), (4157, 457240), (4970, 382444), (6440, 295147), (6532, 290990), (8165, 232792), (8314, 228620), (9940, 191222), (11431, 166280), (13064, 145495), (16330, 116396), (16628, 114310), (19880, 95611), (20785, 91448), (22862, 83140), (29099, 65320), (32660, 58198), (33256, 57155), (41570, 45724)]