91800400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 238020480

約数和(自身を除く): 146220080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 47, 50, 76, 80, 94, 95, 100, 152, 188, 190, 200, 235, 257, 304, 376, 380, 400, 470, 475, 514, 752, 760, 893, 940, 950, 1028, 1175, 1285, 1520, 1786, 1880, 1900, 2056, 2350, 2570, 3572, 3760, 3800, 4112, 4465, 4700, 4883, 5140, 6425, 7144, 7600, 8930, 9400, 9766, 10280, 12079, 12850, 14288, 17860, 18800, 19532, 20560, 22325, 24158, 24415, 25700, 35720, 39064, 44650, 48316, 48830, 51400, 60395, 71440, 78128, 89300, 96632, 97660, 102800, 120790, 122075, 178600, 193264, 195320, 229501, 241580, 244150, 301975, 357200, 390640, 459002, 483160, 488300, 603950, 918004, 966320, 976600, 1147505, 1207900, 1836008, 1953200, 2295010, 2415800, 3672016, 4590020, 4831600, 5737525, 9180040, 11475050, 18360080, 22950100, 45900200, 91800400]

約数ペア:

[(1, 91800400), (2, 45900200), (4, 22950100), (5, 18360080), (8, 11475050), (10, 9180040), (16, 5737525), (19, 4831600), (20, 4590020), (25, 3672016), (38, 2415800), (40, 2295010), (47, 1953200), (50, 1836008), (76, 1207900), (80, 1147505), (94, 976600), (95, 966320), (100, 918004), (152, 603950), (188, 488300), (190, 483160), (200, 459002), (235, 390640), (257, 357200), (304, 301975), (376, 244150), (380, 241580), (400, 229501), (470, 195320), (475, 193264), (514, 178600), (752, 122075), (760, 120790), (893, 102800), (940, 97660), (950, 96632), (1028, 89300), (1175, 78128), (1285, 71440), (1520, 60395), (1786, 51400), (1880, 48830), (1900, 48316), (2056, 44650), (2350, 39064), (2570, 35720), (3572, 25700), (3760, 24415), (3800, 24158), (4112, 22325), (4465, 20560), (4700, 19532), (4883, 18800), (5140, 17860), (6425, 14288), (7144, 12850), (7600, 12079), (8930, 10280), (9400, 9766)]