171354920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 449280000

約数和(自身を除く): 277925080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 103, 110, 152, 190, 199, 206, 209, 220, 380, 398, 412, 418, 440, 515, 760, 796, 824, 836, 995, 1030, 1045, 1133, 1592, 1672, 1957, 1990, 2060, 2090, 2189, 2266, 3781, 3914, 3980, 4120, 4180, 4378, 4532, 5665, 7562, 7828, 7960, 8360, 8756, 9064, 9785, 10945, 11330, 15124, 15656, 17512, 18905, 19570, 20497, 21527, 21890, 22660, 30248, 37810, 39140, 40994, 41591, 43054, 43780, 45320, 75620, 78280, 81988, 83182, 86108, 87560, 102485, 107635, 151240, 163976, 166364, 172216, 204970, 207955, 215270, 225467, 332728, 389443, 409940, 415910, 430540, 450934, 778886, 819880, 831820, 861080, 901868, 1127335, 1557772, 1663640, 1803736, 1947215, 2254670, 3115544, 3894430, 4283873, 4509340, 7788860, 8567746, 9018680, 15577720, 17135492, 21419365, 34270984, 42838730, 85677460, 171354920]

約数ペア:

[(1, 171354920), (2, 85677460), (4, 42838730), (5, 34270984), (8, 21419365), (10, 17135492), (11, 15577720), (19, 9018680), (20, 8567746), (22, 7788860), (38, 4509340), (40, 4283873), (44, 3894430), (55, 3115544), (76, 2254670), (88, 1947215), (95, 1803736), (103, 1663640), (110, 1557772), (152, 1127335), (190, 901868), (199, 861080), (206, 831820), (209, 819880), (220, 778886), (380, 450934), (398, 430540), (412, 415910), (418, 409940), (440, 389443), (515, 332728), (760, 225467), (796, 215270), (824, 207955), (836, 204970), (995, 172216), (1030, 166364), (1045, 163976), (1133, 151240), (1592, 107635), (1672, 102485), (1957, 87560), (1990, 86108), (2060, 83182), (2090, 81988), (2189, 78280), (2266, 75620), (3781, 45320), (3914, 43780), (3980, 43054), (4120, 41591), (4180, 40994), (4378, 39140), (4532, 37810), (5665, 30248), (7562, 22660), (7828, 21890), (7960, 21527), (8360, 20497), (8756, 19570), (9064, 18905), (9785, 17512), (10945, 15656), (11330, 15124)]