328502020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 922521600

約数和(自身を除く): 594019580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 103, 109, 110, 133, 140, 154, 190, 206, 209, 218, 220, 266, 308, 380, 385, 412, 418, 436, 515, 532, 545, 665, 721, 763, 770, 836, 1030, 1045, 1090, 1133, 1199, 1330, 1442, 1463, 1526, 1540, 1957, 2060, 2071, 2090, 2180, 2266, 2398, 2660, 2884, 2926, 3052, 3605, 3815, 3914, 4142, 4180, 4532, 4796, 5665, 5852, 5995, 7210, 7315, 7630, 7828, 7931, 8284, 8393, 9785, 10355, 11227, 11330, 11990, 13699, 14420, 14497, 14630, 15260, 15862, 16786, 19570, 20710, 21527, 22454, 22660, 22781, 23980, 27398, 28994, 29260, 31724, 33572, 39140, 39655, 41420, 41965, 43054, 44908, 45562, 54796, 56135, 57988, 68495, 72485, 78589, 79310, 83930, 86108, 91124, 107635, 112270, 113905, 123497, 136990, 144970, 150689, 157178, 158620, 159467, 167860, 213313, 215270, 224540, 227810, 246994, 273980, 289940, 301378, 314356, 318934, 392945, 426626, 430540, 455620, 493988, 602756, 617485, 637868, 753445, 785890, 797335, 853252, 864479, 1066565, 1234970, 1493191, 1506890, 1571780, 1594670, 1728958, 2133130, 2346443, 2469940, 2986382, 3013780, 3189340, 3457916, 4266260, 4322395, 4692886, 5972764, 7465955, 8644790, 9385772, 11732215, 14931910, 16425101, 17289580, 23464430, 29863820, 32850202, 46928860, 65700404, 82125505, 164251010, 328502020]

約数ペア:

[(1, 328502020), (2, 164251010), (4, 82125505), (5, 65700404), (7, 46928860), (10, 32850202), (11, 29863820), (14, 23464430), (19, 17289580), (20, 16425101), (22, 14931910), (28, 11732215), (35, 9385772), (38, 8644790), (44, 7465955), (55, 5972764), (70, 4692886), (76, 4322395), (77, 4266260), (95, 3457916), (103, 3189340), (109, 3013780), (110, 2986382), (133, 2469940), (140, 2346443), (154, 2133130), (190, 1728958), (206, 1594670), (209, 1571780), (218, 1506890), (220, 1493191), (266, 1234970), (308, 1066565), (380, 864479), (385, 853252), (412, 797335), (418, 785890), (436, 753445), (515, 637868), (532, 617485), (545, 602756), (665, 493988), (721, 455620), (763, 430540), (770, 426626), (836, 392945), (1030, 318934), (1045, 314356), (1090, 301378), (1133, 289940), (1199, 273980), (1330, 246994), (1442, 227810), (1463, 224540), (1526, 215270), (1540, 213313), (1957, 167860), (2060, 159467), (2071, 158620), (2090, 157178), (2180, 150689), (2266, 144970), (2398, 136990), (2660, 123497), (2884, 113905), (2926, 112270), (3052, 107635), (3605, 91124), (3815, 86108), (3914, 83930), (4142, 79310), (4180, 78589), (4532, 72485), (4796, 68495), (5665, 57988), (5852, 56135), (5995, 54796), (7210, 45562), (7315, 44908), (7630, 43054), (7828, 41965), (7931, 41420), (8284, 39655), (8393, 39140), (9785, 33572), (10355, 31724), (11227, 29260), (11330, 28994), (11990, 27398), (13699, 23980), (14420, 22781), (14497, 22660), (14630, 22454), (15260, 21527), (15862, 20710), (16786, 19570)]