290257520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 813697920

約数和(自身を除く): 523440400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 61, 70, 80, 112, 116, 122, 140, 145, 203, 232, 244, 280, 290, 293, 305, 406, 427, 464, 488, 560, 580, 586, 610, 812, 854, 976, 1015, 1160, 1172, 1220, 1465, 1624, 1708, 1769, 2030, 2051, 2135, 2320, 2344, 2440, 2930, 3248, 3416, 3538, 4060, 4102, 4270, 4688, 4880, 5860, 6832, 7076, 8120, 8204, 8497, 8540, 8845, 10255, 11720, 12383, 14152, 16240, 16408, 16994, 17080, 17690, 17873, 20510, 23440, 24766, 28304, 32816, 33988, 34160, 35380, 35746, 41020, 42485, 49532, 59479, 61915, 67976, 70760, 71492, 82040, 84970, 89365, 99064, 118958, 123830, 125111, 135952, 141520, 142984, 164080, 169940, 178730, 198128, 237916, 247660, 250222, 285968, 297395, 339880, 357460, 475832, 495320, 500444, 518317, 594790, 625555, 679760, 714920, 951664, 990640, 1000888, 1036634, 1189580, 1251110, 1429840, 2001776, 2073268, 2379160, 2502220, 2591585, 3628219, 4146536, 4758320, 5004440, 5183170, 7256438, 8293072, 10008880, 10366340, 14512876, 18141095, 20732680, 29025752, 36282190, 41465360, 58051504, 72564380, 145128760, 290257520]

約数ペア:

[(1, 290257520), (2, 145128760), (4, 72564380), (5, 58051504), (7, 41465360), (8, 36282190), (10, 29025752), (14, 20732680), (16, 18141095), (20, 14512876), (28, 10366340), (29, 10008880), (35, 8293072), (40, 7256438), (56, 5183170), (58, 5004440), (61, 4758320), (70, 4146536), (80, 3628219), (112, 2591585), (116, 2502220), (122, 2379160), (140, 2073268), (145, 2001776), (203, 1429840), (232, 1251110), (244, 1189580), (280, 1036634), (290, 1000888), (293, 990640), (305, 951664), (406, 714920), (427, 679760), (464, 625555), (488, 594790), (560, 518317), (580, 500444), (586, 495320), (610, 475832), (812, 357460), (854, 339880), (976, 297395), (1015, 285968), (1160, 250222), (1172, 247660), (1220, 237916), (1465, 198128), (1624, 178730), (1708, 169940), (1769, 164080), (2030, 142984), (2051, 141520), (2135, 135952), (2320, 125111), (2344, 123830), (2440, 118958), (2930, 99064), (3248, 89365), (3416, 84970), (3538, 82040), (4060, 71492), (4102, 70760), (4270, 67976), (4688, 61915), (4880, 59479), (5860, 49532), (6832, 42485), (7076, 41020), (8120, 35746), (8204, 35380), (8497, 34160), (8540, 33988), (8845, 32816), (10255, 28304), (11720, 24766), (12383, 23440), (14152, 20510), (16240, 17873), (16408, 17690), (16994, 17080)]