409398220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 1132185600

約数和(自身を除く): 722787380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 89, 103, 110, 116, 140, 145, 154, 178, 203, 206, 220, 290, 308, 319, 356, 385, 406, 412, 445, 515, 580, 623, 638, 721, 770, 812, 890, 979, 1015, 1030, 1133, 1246, 1276, 1442, 1540, 1595, 1780, 1958, 2030, 2060, 2233, 2266, 2492, 2581, 2884, 2987, 3115, 3190, 3605, 3916, 4060, 4466, 4532, 4895, 5162, 5665, 5974, 6230, 6380, 6853, 7210, 7931, 8932, 9167, 9790, 10324, 11165, 11330, 11948, 12460, 12905, 13706, 14420, 14935, 15862, 18067, 18334, 19580, 20909, 22330, 22660, 25810, 27412, 28391, 29870, 31724, 32857, 34265, 36134, 36668, 39655, 41818, 44660, 45835, 51620, 56782, 59740, 64169, 65714, 68530, 72268, 79310, 83636, 90335, 91670, 100837, 104545, 113564, 128338, 131428, 137060, 141955, 158620, 164285, 180670, 183340, 198737, 201674, 209090, 229999, 256676, 265843, 283910, 320845, 328570, 361340, 397474, 403348, 418180, 459998, 504185, 531686, 567820, 641690, 657140, 705859, 794948, 919996, 993685, 1008370, 1063372, 1149995, 1283380, 1329215, 1411718, 1860901, 1987370, 2016740, 2299990, 2658430, 2823436, 2924273, 3529295, 3721802, 3974740, 4599980, 5316860, 5848546, 7058590, 7443604, 9304505, 11697092, 14117180, 14621365, 18609010, 20469911, 29242730, 37218020, 40939822, 58485460, 81879644, 102349555, 204699110, 409398220]

約数ペア:

[(1, 409398220), (2, 204699110), (4, 102349555), (5, 81879644), (7, 58485460), (10, 40939822), (11, 37218020), (14, 29242730), (20, 20469911), (22, 18609010), (28, 14621365), (29, 14117180), (35, 11697092), (44, 9304505), (55, 7443604), (58, 7058590), (70, 5848546), (77, 5316860), (89, 4599980), (103, 3974740), (110, 3721802), (116, 3529295), (140, 2924273), (145, 2823436), (154, 2658430), (178, 2299990), (203, 2016740), (206, 1987370), (220, 1860901), (290, 1411718), (308, 1329215), (319, 1283380), (356, 1149995), (385, 1063372), (406, 1008370), (412, 993685), (445, 919996), (515, 794948), (580, 705859), (623, 657140), (638, 641690), (721, 567820), (770, 531686), (812, 504185), (890, 459998), (979, 418180), (1015, 403348), (1030, 397474), (1133, 361340), (1246, 328570), (1276, 320845), (1442, 283910), (1540, 265843), (1595, 256676), (1780, 229999), (1958, 209090), (2030, 201674), (2060, 198737), (2233, 183340), (2266, 180670), (2492, 164285), (2581, 158620), (2884, 141955), (2987, 137060), (3115, 131428), (3190, 128338), (3605, 113564), (3916, 104545), (4060, 100837), (4466, 91670), (4532, 90335), (4895, 83636), (5162, 79310), (5665, 72268), (5974, 68530), (6230, 65714), (6380, 64169), (6853, 59740), (7210, 56782), (7931, 51620), (8932, 45835), (9167, 44660), (9790, 41818), (10324, 39655), (11165, 36668), (11330, 36134), (11948, 34265), (12460, 32857), (12905, 31724), (13706, 29870), (14420, 28391), (14935, 27412), (15862, 25810), (18067, 22660), (18334, 22330), (19580, 20909)]