2887885840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1857

約数の個数: 160

約数和(自身を含む): 7972989696

約数和(自身を除く): 5085103856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 73, 80, 82, 112, 140, 146, 164, 205, 280, 287, 292, 328, 365, 410, 511, 560, 574, 584, 656, 730, 820, 1022, 1148, 1168, 1435, 1460, 1640, 1723, 2044, 2296, 2555, 2870, 2920, 2993, 3280, 3446, 4088, 4592, 5110, 5740, 5840, 5986, 6892, 8176, 8615, 10220, 11480, 11972, 12061, 13784, 14965, 17230, 20440, 20951, 22960, 23944, 24122, 27568, 29930, 34460, 40880, 41902, 47888, 48244, 59860, 60305, 68920, 70643, 83804, 96488, 104755, 119720, 120610, 125779, 137840, 141286, 167608, 192976, 209510, 239440, 241220, 251558, 282572, 335216, 353215, 419020, 482440, 494501, 503116, 565144, 628895, 706430, 838040, 880453, 964880, 989002, 1006232, 1130288, 1257790, 1412860, 1676080, 1760906, 1978004, 2012464, 2472505, 2515580, 2825720, 3521812, 3956008, 4402265, 4945010, 5031160, 5156939, 5651440, 7043624, 7912016, 8804530, 9890020, 10062320, 10313878, 14087248, 17609060, 19780040, 20627756, 25784695, 35218120, 36098573, 39560080, 41255512, 51569390, 70436240, 72197146, 82511024, 103138780, 144394292, 180492865, 206277560, 288788584, 360985730, 412555120, 577577168, 721971460, 1443942920, 2887885840]

約数ペア:

[(1, 2887885840), (2, 1443942920), (4, 721971460), (5, 577577168), (7, 412555120), (8, 360985730), (10, 288788584), (14, 206277560), (16, 180492865), (20, 144394292), (28, 103138780), (35, 82511024), (40, 72197146), (41, 70436240), (56, 51569390), (70, 41255512), (73, 39560080), (80, 36098573), (82, 35218120), (112, 25784695), (140, 20627756), (146, 19780040), (164, 17609060), (205, 14087248), (280, 10313878), (287, 10062320), (292, 9890020), (328, 8804530), (365, 7912016), (410, 7043624), (511, 5651440), (560, 5156939), (574, 5031160), (584, 4945010), (656, 4402265), (730, 3956008), (820, 3521812), (1022, 2825720), (1148, 2515580), (1168, 2472505), (1435, 2012464), (1460, 1978004), (1640, 1760906), (1723, 1676080), (2044, 1412860), (2296, 1257790), (2555, 1130288), (2870, 1006232), (2920, 989002), (2993, 964880), (3280, 880453), (3446, 838040), (4088, 706430), (4592, 628895), (5110, 565144), (5740, 503116), (5840, 494501), (5986, 482440), (6892, 419020), (8176, 353215), (8615, 335216), (10220, 282572), (11480, 251558), (11972, 241220), (12061, 239440), (13784, 209510), (14965, 192976), (17230, 167608), (20440, 141286), (20951, 137840), (22960, 125779), (23944, 120610), (24122, 119720), (27568, 104755), (29930, 96488), (34460, 83804), (40880, 70643), (41902, 68920), (47888, 60305), (48244, 59860)]