1990922920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 5433696000

約数和(自身を除く): 3442773080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 151, 155, 196, 217, 245, 248, 280, 302, 310, 343, 392, 434, 490, 604, 620, 686, 755, 868, 961, 980, 1057, 1085, 1208, 1240, 1372, 1510, 1519, 1715, 1736, 1922, 1960, 2114, 2170, 2744, 3020, 3038, 3430, 3844, 4228, 4340, 4681, 4805, 5285, 6040, 6076, 6727, 6860, 7399, 7595, 7688, 8456, 8680, 9362, 9610, 10570, 10633, 12152, 13454, 13720, 14798, 15190, 18724, 19220, 21140, 21266, 23405, 26908, 29596, 30380, 32767, 33635, 36995, 37448, 38440, 42280, 42532, 46810, 47089, 51793, 53165, 53816, 59192, 60760, 65534, 67270, 73990, 85064, 93620, 94178, 103586, 106330, 131068, 134540, 145111, 147980, 163835, 187240, 188356, 207172, 212660, 229369, 235445, 258965, 262136, 269080, 290222, 295960, 327670, 329623, 376712, 414344, 425320, 458738, 470890, 517930, 580444, 655340, 659246, 725555, 917476, 941780, 1015777, 1035860, 1146845, 1160888, 1310680, 1318492, 1451110, 1605583, 1648115, 1834952, 1883560, 2031554, 2071720, 2293690, 2636984, 2902220, 3211166, 3296230, 4063108, 4587380, 5078885, 5804440, 6422332, 6592460, 7110439, 8027915, 8126216, 9174760, 10157770, 12844664, 13184920, 14220878, 16055830, 20315540, 28441756, 32111660, 35552195, 40631080, 49773073, 56883512, 64223320, 71104390, 99546146, 142208780, 199092292, 248865365, 284417560, 398184584, 497730730, 995461460, 1990922920]

約数ペア:

[(1, 1990922920), (2, 995461460), (4, 497730730), (5, 398184584), (7, 284417560), (8, 248865365), (10, 199092292), (14, 142208780), (20, 99546146), (28, 71104390), (31, 64223320), (35, 56883512), (40, 49773073), (49, 40631080), (56, 35552195), (62, 32111660), (70, 28441756), (98, 20315540), (124, 16055830), (140, 14220878), (151, 13184920), (155, 12844664), (196, 10157770), (217, 9174760), (245, 8126216), (248, 8027915), (280, 7110439), (302, 6592460), (310, 6422332), (343, 5804440), (392, 5078885), (434, 4587380), (490, 4063108), (604, 3296230), (620, 3211166), (686, 2902220), (755, 2636984), (868, 2293690), (961, 2071720), (980, 2031554), (1057, 1883560), (1085, 1834952), (1208, 1648115), (1240, 1605583), (1372, 1451110), (1510, 1318492), (1519, 1310680), (1715, 1160888), (1736, 1146845), (1922, 1035860), (1960, 1015777), (2114, 941780), (2170, 917476), (2744, 725555), (3020, 659246), (3038, 655340), (3430, 580444), (3844, 517930), (4228, 470890), (4340, 458738), (4681, 425320), (4805, 414344), (5285, 376712), (6040, 329623), (6076, 327670), (6727, 295960), (6860, 290222), (7399, 269080), (7595, 262136), (7688, 258965), (8456, 235445), (8680, 229369), (9362, 212660), (9610, 207172), (10570, 188356), (10633, 187240), (12152, 163835), (13454, 147980), (13720, 145111), (14798, 134540), (15190, 131068), (18724, 106330), (19220, 103586), (21140, 94178), (21266, 93620), (23405, 85064), (26908, 73990), (29596, 67270), (30380, 65534), (32767, 60760), (33635, 59192), (36995, 53816), (37448, 53165), (38440, 51793), (42280, 47089), (42532, 46810)]