210689920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 370954880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 359, 448, 524, 560, 640, 655, 718, 896, 917, 1048, 1120, 1310, 1436, 1795, 1834, 2096, 2240, 2513, 2620, 2872, 3590, 3668, 4192, 4480, 4585, 5026, 5240, 5744, 7180, 7336, 8384, 9170, 10052, 10480, 11488, 12565, 14360, 14672, 16768, 18340, 20104, 20960, 22976, 25130, 28720, 29344, 36680, 40208, 41920, 45952, 47029, 50260, 57440, 58688, 73360, 80416, 83840, 94058, 100520, 114880, 117376, 146720, 160832, 188116, 201040, 229760, 235145, 293440, 321664, 329203, 376232, 402080, 470290, 586880, 658406, 752464, 804160, 940580, 1316812, 1504928, 1608320, 1646015, 1881160, 2633624, 3009856, 3292030, 3762320, 5267248, 6019712, 6584060, 7524640, 10534496, 13168120, 15049280, 21068992, 26336240, 30098560, 42137984, 52672480, 105344960, 210689920]

約数ペア:

[(1, 210689920), (2, 105344960), (4, 52672480), (5, 42137984), (7, 30098560), (8, 26336240), (10, 21068992), (14, 15049280), (16, 13168120), (20, 10534496), (28, 7524640), (32, 6584060), (35, 6019712), (40, 5267248), (56, 3762320), (64, 3292030), (70, 3009856), (80, 2633624), (112, 1881160), (128, 1646015), (131, 1608320), (140, 1504928), (160, 1316812), (224, 940580), (262, 804160), (280, 752464), (320, 658406), (359, 586880), (448, 470290), (524, 402080), (560, 376232), (640, 329203), (655, 321664), (718, 293440), (896, 235145), (917, 229760), (1048, 201040), (1120, 188116), (1310, 160832), (1436, 146720), (1795, 117376), (1834, 114880), (2096, 100520), (2240, 94058), (2513, 83840), (2620, 80416), (2872, 73360), (3590, 58688), (3668, 57440), (4192, 50260), (4480, 47029), (4585, 45952), (5026, 41920), (5240, 40208), (5744, 36680), (7180, 29344), (7336, 28720), (8384, 25130), (9170, 22976), (10052, 20960), (10480, 20104), (11488, 18340), (12565, 16768), (14360, 14672)]