171500420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 491774976

約数和(自身を除く): 320274556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 23, 26, 28, 34, 35, 46, 52, 65, 68, 70, 85, 91, 92, 115, 119, 130, 140, 161, 170, 182, 221, 230, 238, 241, 260, 299, 322, 340, 364, 391, 442, 455, 460, 476, 482, 595, 598, 644, 782, 805, 884, 910, 964, 1105, 1190, 1196, 1205, 1495, 1547, 1564, 1610, 1687, 1820, 1955, 2093, 2210, 2380, 2410, 2737, 2990, 3094, 3133, 3220, 3374, 3910, 4097, 4186, 4420, 4820, 5083, 5474, 5543, 5980, 6188, 6266, 6748, 7735, 7820, 8194, 8372, 8435, 10166, 10465, 10948, 11086, 12532, 13685, 15470, 15665, 16388, 16870, 20332, 20485, 20930, 21931, 22172, 25415, 27370, 27715, 28679, 30940, 31330, 33740, 35581, 38801, 40970, 41860, 43862, 50830, 53261, 54740, 55430, 57358, 62660, 71162, 72059, 77602, 81940, 87724, 94231, 101660, 106522, 109655, 110860, 114716, 142324, 143395, 144118, 155204, 177905, 188462, 194005, 213044, 219310, 266305, 286790, 288236, 355810, 360295, 372827, 376924, 388010, 438620, 471155, 504413, 532610, 573580, 659617, 711620, 720590, 745654, 776020, 942310, 1008826, 1065220, 1225003, 1319234, 1441180, 1491308, 1864135, 1884620, 2017652, 2450006, 2522065, 2638468, 3298085, 3728270, 4900012, 5044130, 6125015, 6596170, 7456540, 8575021, 10088260, 12250030, 13192340, 17150042, 24500060, 34300084, 42875105, 85750210, 171500420]

約数ペア:

[(1, 171500420), (2, 85750210), (4, 42875105), (5, 34300084), (7, 24500060), (10, 17150042), (13, 13192340), (14, 12250030), (17, 10088260), (20, 8575021), (23, 7456540), (26, 6596170), (28, 6125015), (34, 5044130), (35, 4900012), (46, 3728270), (52, 3298085), (65, 2638468), (68, 2522065), (70, 2450006), (85, 2017652), (91, 1884620), (92, 1864135), (115, 1491308), (119, 1441180), (130, 1319234), (140, 1225003), (161, 1065220), (170, 1008826), (182, 942310), (221, 776020), (230, 745654), (238, 720590), (241, 711620), (260, 659617), (299, 573580), (322, 532610), (340, 504413), (364, 471155), (391, 438620), (442, 388010), (455, 376924), (460, 372827), (476, 360295), (482, 355810), (595, 288236), (598, 286790), (644, 266305), (782, 219310), (805, 213044), (884, 194005), (910, 188462), (964, 177905), (1105, 155204), (1190, 144118), (1196, 143395), (1205, 142324), (1495, 114716), (1547, 110860), (1564, 109655), (1610, 106522), (1687, 101660), (1820, 94231), (1955, 87724), (2093, 81940), (2210, 77602), (2380, 72059), (2410, 71162), (2737, 62660), (2990, 57358), (3094, 55430), (3133, 54740), (3220, 53261), (3374, 50830), (3910, 43862), (4097, 41860), (4186, 40970), (4420, 38801), (4820, 35581), (5083, 33740), (5474, 31330), (5543, 30940), (5980, 28679), (6188, 27715), (6266, 27370), (6748, 25415), (7735, 22172), (7820, 21931), (8194, 20930), (8372, 20485), (8435, 20332), (10166, 16870), (10465, 16388), (10948, 15665), (11086, 15470), (12532, 13685)]