209211660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1018

約数の個数: 240

約数和(自身を含む): 790352640

約数和(自身を除く): 581140980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 855, 945, 971, 1026, 1134, 1140, 1197, 1260, 1330, 1539, 1596, 1620, 1710, 1890, 1942, 1995, 2052, 2268, 2394, 2565, 2660, 2835, 2913, 3078, 3420, 3591, 3780, 3884, 3990, 4788, 4855, 5130, 5670, 5826, 5985, 6156, 6797, 7182, 7695, 7980, 8739, 9710, 10260, 10773, 11340, 11652, 11970, 13594, 14364, 14565, 15390, 17478, 17955, 18449, 19420, 20391, 21546, 23940, 26217, 27188, 29130, 30780, 33985, 34956, 35910, 36898, 40782, 43092, 43695, 52434, 53865, 55347, 58260, 61173, 67970, 71820, 73796, 78651, 81564, 87390, 92245, 101955, 104868, 107730, 110694, 122346, 129143, 131085, 135940, 157302, 166041, 174780, 183519, 184490, 203910, 215460, 221388, 244692, 258286, 262170, 276735, 305865, 314604, 332082, 367038, 368980, 387429, 393255, 407820, 498123, 516572, 524340, 550557, 553470, 611730, 645715, 664164, 734076, 774858, 786510, 830205, 917595, 996246, 1101114, 1106940, 1162287, 1223460, 1291430, 1494369, 1549716, 1573020, 1660410, 1835190, 1937145, 1992492, 2202228, 2324574, 2490615, 2582860, 2752785, 2988738, 3320820, 3486861, 3670380, 3874290, 4649148, 4981230, 5505570, 5811435, 5977476, 6973722, 7471845, 7748580, 9962460, 10460583, 11011140, 11622870, 13947444, 14943690, 17434305, 20921166, 23245740, 29887380, 34868610, 41842332, 52302915, 69737220, 104605830, 209211660]

約数ペア:

[(1, 209211660), (2, 104605830), (3, 69737220), (4, 52302915), (5, 41842332), (6, 34868610), (7, 29887380), (9, 23245740), (10, 20921166), (12, 17434305), (14, 14943690), (15, 13947444), (18, 11622870), (19, 11011140), (20, 10460583), (21, 9962460), (27, 7748580), (28, 7471845), (30, 6973722), (35, 5977476), (36, 5811435), (38, 5505570), (42, 4981230), (45, 4649148), (54, 3874290), (57, 3670380), (60, 3486861), (63, 3320820), (70, 2988738), (76, 2752785), (81, 2582860), (84, 2490615), (90, 2324574), (95, 2202228), (105, 1992492), (108, 1937145), (114, 1835190), (126, 1660410), (133, 1573020), (135, 1549716), (140, 1494369), (162, 1291430), (171, 1223460), (180, 1162287), (189, 1106940), (190, 1101114), (210, 996246), (228, 917595), (252, 830205), (266, 786510), (270, 774858), (285, 734076), (315, 664164), (324, 645715), (342, 611730), (378, 553470), (380, 550557), (399, 524340), (405, 516572), (420, 498123), (513, 407820), (532, 393255), (540, 387429), (567, 368980), (570, 367038), (630, 332082), (665, 314604), (684, 305865), (756, 276735), (798, 262170), (810, 258286), (855, 244692), (945, 221388), (971, 215460), (1026, 203910), (1134, 184490), (1140, 183519), (1197, 174780), (1260, 166041), (1330, 157302), (1539, 135940), (1596, 131085), (1620, 129143), (1710, 122346), (1890, 110694), (1942, 107730), (1995, 104868), (2052, 101955), (2268, 92245), (2394, 87390), (2565, 81564), (2660, 78651), (2835, 73796), (2913, 71820), (3078, 67970), (3420, 61173), (3591, 58260), (3780, 55347), (3884, 53865), (3990, 52434), (4788, 43695), (4855, 43092), (5130, 40782), (5670, 36898), (5826, 35910), (5985, 34956), (6156, 33985), (6797, 30780), (7182, 29130), (7695, 27188), (7980, 26217), (8739, 23940), (9710, 21546), (10260, 20391), (10773, 19420), (11340, 18449), (11652, 17955), (11970, 17478), (13594, 15390), (14364, 14565)]