221788840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 637718400

約数和(自身を除く): 415929560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 109, 130, 140, 169, 172, 182, 215, 218, 260, 280, 301, 338, 344, 364, 430, 436, 455, 520, 545, 559, 602, 676, 728, 763, 845, 860, 872, 910, 1090, 1118, 1183, 1204, 1352, 1417, 1505, 1526, 1690, 1720, 1820, 2180, 2236, 2366, 2408, 2795, 2834, 3010, 3052, 3380, 3640, 3815, 3913, 4360, 4472, 4687, 4732, 5590, 5668, 5915, 6020, 6104, 6760, 7085, 7267, 7630, 7826, 9374, 9464, 9919, 11180, 11336, 11830, 12040, 14170, 14534, 15260, 15652, 18421, 18748, 19565, 19838, 22360, 23435, 23660, 28340, 29068, 30520, 31304, 32809, 36335, 36842, 37496, 39130, 39676, 46870, 47320, 49595, 50869, 56680, 58136, 60931, 65618, 72670, 73684, 78260, 79352, 92105, 93740, 99190, 101738, 121862, 128947, 131236, 145340, 147368, 156520, 164045, 184210, 187480, 198380, 203476, 243724, 254345, 257894, 262472, 290680, 304655, 328090, 368420, 396760, 406952, 426517, 487448, 508690, 515788, 609310, 644735, 656180, 736840, 792103, 853034, 1017380, 1031576, 1218620, 1289470, 1312360, 1584206, 1706068, 2034760, 2132585, 2437240, 2578940, 3168412, 3412136, 3960515, 4265170, 5157880, 5544721, 6336824, 7921030, 8530340, 11089442, 15842060, 17060680, 22178884, 27723605, 31684120, 44357768, 55447210, 110894420, 221788840]

約数ペア:

[(1, 221788840), (2, 110894420), (4, 55447210), (5, 44357768), (7, 31684120), (8, 27723605), (10, 22178884), (13, 17060680), (14, 15842060), (20, 11089442), (26, 8530340), (28, 7921030), (35, 6336824), (40, 5544721), (43, 5157880), (52, 4265170), (56, 3960515), (65, 3412136), (70, 3168412), (86, 2578940), (91, 2437240), (104, 2132585), (109, 2034760), (130, 1706068), (140, 1584206), (169, 1312360), (172, 1289470), (182, 1218620), (215, 1031576), (218, 1017380), (260, 853034), (280, 792103), (301, 736840), (338, 656180), (344, 644735), (364, 609310), (430, 515788), (436, 508690), (455, 487448), (520, 426517), (545, 406952), (559, 396760), (602, 368420), (676, 328090), (728, 304655), (763, 290680), (845, 262472), (860, 257894), (872, 254345), (910, 243724), (1090, 203476), (1118, 198380), (1183, 187480), (1204, 184210), (1352, 164045), (1417, 156520), (1505, 147368), (1526, 145340), (1690, 131236), (1720, 128947), (1820, 121862), (2180, 101738), (2236, 99190), (2366, 93740), (2408, 92105), (2795, 79352), (2834, 78260), (3010, 73684), (3052, 72670), (3380, 65618), (3640, 60931), (3815, 58136), (3913, 56680), (4360, 50869), (4472, 49595), (4687, 47320), (4732, 46870), (5590, 39676), (5668, 39130), (5915, 37496), (6020, 36842), (6104, 36335), (6760, 32809), (7085, 31304), (7267, 30520), (7630, 29068), (7826, 28340), (9374, 23660), (9464, 23435), (9919, 22360), (11180, 19838), (11336, 19565), (11830, 18748), (12040, 18421), (14170, 15652), (14534, 15260)]