89742520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 244224000

約数和(自身を除く): 154481480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 211, 217, 245, 248, 280, 310, 343, 392, 422, 434, 490, 620, 686, 844, 868, 980, 1055, 1085, 1240, 1372, 1477, 1519, 1688, 1715, 1736, 1960, 2110, 2170, 2744, 2954, 3038, 3430, 4220, 4340, 5908, 6076, 6541, 6860, 7385, 7595, 8440, 8680, 10339, 10633, 11816, 12152, 13082, 13720, 14770, 15190, 20678, 21266, 26164, 29540, 30380, 32705, 41356, 42532, 45787, 51695, 52328, 53165, 59080, 60760, 65410, 72373, 82712, 85064, 91574, 103390, 106330, 130820, 144746, 183148, 206780, 212660, 228935, 261640, 289492, 320509, 361865, 366296, 413560, 425320, 457870, 578984, 641018, 723730, 915740, 1282036, 1447460, 1602545, 1831480, 2243563, 2564072, 2894920, 3205090, 4487126, 6410180, 8974252, 11217815, 12820360, 17948504, 22435630, 44871260, 89742520]

約数ペア:

[(1, 89742520), (2, 44871260), (4, 22435630), (5, 17948504), (7, 12820360), (8, 11217815), (10, 8974252), (14, 6410180), (20, 4487126), (28, 3205090), (31, 2894920), (35, 2564072), (40, 2243563), (49, 1831480), (56, 1602545), (62, 1447460), (70, 1282036), (98, 915740), (124, 723730), (140, 641018), (155, 578984), (196, 457870), (211, 425320), (217, 413560), (245, 366296), (248, 361865), (280, 320509), (310, 289492), (343, 261640), (392, 228935), (422, 212660), (434, 206780), (490, 183148), (620, 144746), (686, 130820), (844, 106330), (868, 103390), (980, 91574), (1055, 85064), (1085, 82712), (1240, 72373), (1372, 65410), (1477, 60760), (1519, 59080), (1688, 53165), (1715, 52328), (1736, 51695), (1960, 45787), (2110, 42532), (2170, 41356), (2744, 32705), (2954, 30380), (3038, 29540), (3430, 26164), (4220, 21266), (4340, 20678), (5908, 15190), (6076, 14770), (6541, 13720), (6860, 13082), (7385, 12152), (7595, 11816), (8440, 10633), (8680, 10339)]