171747940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 488921832

約数和(自身を除く): 317173892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 61, 65, 68, 70, 85, 91, 98, 119, 122, 130, 140, 169, 170, 182, 196, 221, 238, 244, 245, 260, 305, 338, 340, 364, 427, 442, 455, 476, 490, 595, 610, 637, 676, 793, 833, 845, 854, 884, 910, 980, 1037, 1105, 1183, 1190, 1220, 1274, 1547, 1586, 1666, 1690, 1708, 1820, 2074, 2135, 2210, 2366, 2380, 2548, 2873, 2989, 3094, 3172, 3185, 3332, 3380, 3965, 4148, 4165, 4270, 4420, 4732, 5185, 5551, 5746, 5915, 5978, 6188, 6370, 7259, 7735, 7930, 8281, 8330, 8540, 10309, 10370, 10829, 11102, 11492, 11830, 11956, 12740, 13481, 14365, 14518, 14945, 15470, 15860, 16562, 16660, 20111, 20618, 20740, 21658, 22204, 23660, 26962, 27755, 28730, 29036, 29890, 30940, 33124, 36295, 38857, 40222, 41236, 41405, 43316, 50813, 51545, 53924, 54145, 55510, 57460, 59780, 67405, 72163, 72590, 77714, 80444, 82810, 94367, 100555, 101626, 103090, 108290, 111020, 134810, 140777, 144326, 145180, 155428, 165620, 175253, 188734, 194285, 201110, 203252, 206180, 216580, 254065, 269620, 281554, 288652, 350506, 360815, 377468, 388570, 402220, 471835, 505141, 508130, 563108, 660569, 701012, 703885, 721630, 777140, 876265, 943670, 1010282, 1016260, 1226771, 1321138, 1407770, 1443260, 1752530, 1887340, 2020564, 2453542, 2525705, 2642276, 2815540, 3302845, 3505060, 4907084, 5051410, 6133855, 6605690, 8587397, 10102820, 12267710, 13211380, 17174794, 24535420, 34349588, 42936985, 85873970, 171747940]

約数ペア:

[(1, 171747940), (2, 85873970), (4, 42936985), (5, 34349588), (7, 24535420), (10, 17174794), (13, 13211380), (14, 12267710), (17, 10102820), (20, 8587397), (26, 6605690), (28, 6133855), (34, 5051410), (35, 4907084), (49, 3505060), (52, 3302845), (61, 2815540), (65, 2642276), (68, 2525705), (70, 2453542), (85, 2020564), (91, 1887340), (98, 1752530), (119, 1443260), (122, 1407770), (130, 1321138), (140, 1226771), (169, 1016260), (170, 1010282), (182, 943670), (196, 876265), (221, 777140), (238, 721630), (244, 703885), (245, 701012), (260, 660569), (305, 563108), (338, 508130), (340, 505141), (364, 471835), (427, 402220), (442, 388570), (455, 377468), (476, 360815), (490, 350506), (595, 288652), (610, 281554), (637, 269620), (676, 254065), (793, 216580), (833, 206180), (845, 203252), (854, 201110), (884, 194285), (910, 188734), (980, 175253), (1037, 165620), (1105, 155428), (1183, 145180), (1190, 144326), (1220, 140777), (1274, 134810), (1547, 111020), (1586, 108290), (1666, 103090), (1690, 101626), (1708, 100555), (1820, 94367), (2074, 82810), (2135, 80444), (2210, 77714), (2366, 72590), (2380, 72163), (2548, 67405), (2873, 59780), (2989, 57460), (3094, 55510), (3172, 54145), (3185, 53924), (3332, 51545), (3380, 50813), (3965, 43316), (4148, 41405), (4165, 41236), (4270, 40222), (4420, 38857), (4732, 36295), (5185, 33124), (5551, 30940), (5746, 29890), (5915, 29036), (5978, 28730), (6188, 27755), (6370, 26962), (7259, 23660), (7735, 22204), (7930, 21658), (8281, 20740), (8330, 20618), (8540, 20111), (10309, 16660), (10370, 16562), (10829, 15860), (11102, 15470), (11492, 14945), (11830, 14518), (11956, 14365), (12740, 13481)]