253906120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:903

約数の個数: 128

約数和(自身を含む): 669312000

約数和(自身を除く): 415405880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 829, 988, 1178, 1235, 1240, 1612, 1658, 1976, 2015, 2356, 2470, 2945, 3224, 3316, 4030, 4145, 4712, 4940, 5890, 6632, 7657, 8060, 8290, 9880, 10777, 11780, 15314, 15751, 16120, 16580, 21554, 23560, 25699, 30628, 31502, 33160, 38285, 43108, 51398, 53885, 61256, 63004, 76570, 78755, 86216, 102796, 107770, 126008, 128495, 153140, 157510, 204763, 205592, 215540, 256990, 306280, 315020, 334087, 409526, 431080, 488281, 513980, 630040, 668174, 819052, 976562, 1023815, 1027960, 1336348, 1638104, 1670435, 1953124, 2047630, 2441405, 2672696, 3340870, 3906248, 4095260, 4882810, 6347653, 6681740, 8190520, 9765620, 12695306, 13363480, 19531240, 25390612, 31738265, 50781224, 63476530, 126953060, 253906120]

約数ペア:

[(1, 253906120), (2, 126953060), (4, 63476530), (5, 50781224), (8, 31738265), (10, 25390612), (13, 19531240), (19, 13363480), (20, 12695306), (26, 9765620), (31, 8190520), (38, 6681740), (40, 6347653), (52, 4882810), (62, 4095260), (65, 3906248), (76, 3340870), (95, 2672696), (104, 2441405), (124, 2047630), (130, 1953124), (152, 1670435), (155, 1638104), (190, 1336348), (247, 1027960), (248, 1023815), (260, 976562), (310, 819052), (380, 668174), (403, 630040), (494, 513980), (520, 488281), (589, 431080), (620, 409526), (760, 334087), (806, 315020), (829, 306280), (988, 256990), (1178, 215540), (1235, 205592), (1240, 204763), (1612, 157510), (1658, 153140), (1976, 128495), (2015, 126008), (2356, 107770), (2470, 102796), (2945, 86216), (3224, 78755), (3316, 76570), (4030, 63004), (4145, 61256), (4712, 53885), (4940, 51398), (5890, 43108), (6632, 38285), (7657, 33160), (8060, 31502), (8290, 30628), (9880, 25699), (10777, 23560), (11780, 21554), (15314, 16580), (15751, 16120)]