219765920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 607461120

約数和(自身を除く): 387695200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 61, 80, 88, 89, 92, 110, 115, 122, 160, 176, 178, 184, 220, 230, 244, 253, 305, 352, 356, 368, 440, 445, 460, 488, 506, 610, 671, 712, 736, 880, 890, 920, 976, 979, 1012, 1220, 1265, 1342, 1403, 1424, 1760, 1780, 1840, 1952, 1958, 2024, 2047, 2440, 2530, 2684, 2806, 2848, 3355, 3560, 3680, 3916, 4048, 4094, 4880, 4895, 5060, 5368, 5429, 5612, 6710, 7015, 7120, 7832, 8096, 8188, 9760, 9790, 10120, 10235, 10736, 10858, 11224, 13420, 14030, 14240, 15433, 15664, 16376, 19580, 20240, 20470, 21472, 21716, 22448, 22517, 26840, 27145, 28060, 30866, 31328, 32752, 39160, 40480, 40940, 43432, 44896, 45034, 53680, 54290, 56120, 59719, 61732, 65504, 77165, 78320, 81880, 86864, 90068, 107360, 108580, 112240, 112585, 119438, 123464, 124867, 154330, 156640, 163760, 173728, 180136, 217160, 224480, 225170, 238876, 246928, 249734, 298595, 308660, 327520, 360272, 434320, 450340, 477752, 493856, 499468, 597190, 617320, 624335, 720544, 868640, 900680, 955504, 998936, 1194380, 1234640, 1248670, 1373537, 1801360, 1911008, 1997872, 2388760, 2469280, 2497340, 2747074, 3602720, 3995744, 4777520, 4994680, 5494148, 6867685, 9555040, 9989360, 10988296, 13735370, 19978720, 21976592, 27470740, 43953184, 54941480, 109882960, 219765920]

約数ペア:

[(1, 219765920), (2, 109882960), (4, 54941480), (5, 43953184), (8, 27470740), (10, 21976592), (11, 19978720), (16, 13735370), (20, 10988296), (22, 9989360), (23, 9555040), (32, 6867685), (40, 5494148), (44, 4994680), (46, 4777520), (55, 3995744), (61, 3602720), (80, 2747074), (88, 2497340), (89, 2469280), (92, 2388760), (110, 1997872), (115, 1911008), (122, 1801360), (160, 1373537), (176, 1248670), (178, 1234640), (184, 1194380), (220, 998936), (230, 955504), (244, 900680), (253, 868640), (305, 720544), (352, 624335), (356, 617320), (368, 597190), (440, 499468), (445, 493856), (460, 477752), (488, 450340), (506, 434320), (610, 360272), (671, 327520), (712, 308660), (736, 298595), (880, 249734), (890, 246928), (920, 238876), (976, 225170), (979, 224480), (1012, 217160), (1220, 180136), (1265, 173728), (1342, 163760), (1403, 156640), (1424, 154330), (1760, 124867), (1780, 123464), (1840, 119438), (1952, 112585), (1958, 112240), (2024, 108580), (2047, 107360), (2440, 90068), (2530, 86864), (2684, 81880), (2806, 78320), (2848, 77165), (3355, 65504), (3560, 61732), (3680, 59719), (3916, 56120), (4048, 54290), (4094, 53680), (4880, 45034), (4895, 44896), (5060, 43432), (5368, 40940), (5429, 40480), (5612, 39160), (6710, 32752), (7015, 31328), (7120, 30866), (7832, 28060), (8096, 27145), (8188, 26840), (9760, 22517), (9790, 22448), (10120, 21716), (10235, 21472), (10736, 20470), (10858, 20240), (11224, 19580), (13420, 16376), (14030, 15664), (14240, 15433)]