90587800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 224985600

約数和(自身を除く): 134397800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 47, 50, 92, 94, 100, 115, 184, 188, 200, 230, 235, 376, 419, 460, 470, 575, 838, 920, 940, 1081, 1150, 1175, 1676, 1880, 2095, 2162, 2300, 2350, 3352, 4190, 4324, 4600, 4700, 5405, 8380, 8648, 9400, 9637, 10475, 10810, 16760, 19274, 19693, 20950, 21620, 27025, 38548, 39386, 41900, 43240, 48185, 54050, 77096, 78772, 83800, 96370, 98465, 108100, 157544, 192740, 196930, 216200, 240925, 385480, 393860, 452939, 481850, 492325, 787720, 905878, 963700, 984650, 1811756, 1927400, 1969300, 2264695, 3623512, 3938600, 4529390, 9058780, 11323475, 18117560, 22646950, 45293900, 90587800]

約数ペア:

[(1, 90587800), (2, 45293900), (4, 22646950), (5, 18117560), (8, 11323475), (10, 9058780), (20, 4529390), (23, 3938600), (25, 3623512), (40, 2264695), (46, 1969300), (47, 1927400), (50, 1811756), (92, 984650), (94, 963700), (100, 905878), (115, 787720), (184, 492325), (188, 481850), (200, 452939), (230, 393860), (235, 385480), (376, 240925), (419, 216200), (460, 196930), (470, 192740), (575, 157544), (838, 108100), (920, 98465), (940, 96370), (1081, 83800), (1150, 78772), (1175, 77096), (1676, 54050), (1880, 48185), (2095, 43240), (2162, 41900), (2300, 39386), (2350, 38548), (3352, 27025), (4190, 21620), (4324, 20950), (4600, 19693), (4700, 19274), (5405, 16760), (8380, 10810), (8648, 10475), (9400, 9637)]