257736570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13487}}^1$

素因数の和:13524

約数の個数: 96

約数和(自身を含む): 774966528

約数和(自身を除く): 517229958

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1274, 1365, 1470, 1911, 2730, 3185, 3822, 6370, 9555, 13487, 19110, 26974, 40461, 67435, 80922, 94409, 134870, 175331, 188818, 202305, 283227, 350662, 404610, 472045, 525993, 566454, 660863, 876655, 944090, 1051986, 1227317, 1321726, 1416135, 1753310, 1982589, 2454634, 2629965, 2832270, 3304315, 3681951, 3965178, 5259930, 6136585, 6608630, 7363902, 8591219, 9912945, 12273170, 17182438, 18409755, 19825890, 25773657, 36819510, 42956095, 51547314, 85912190, 128868285, 257736570]

約数ペア:

[(1, 257736570), (2, 128868285), (3, 85912190), (5, 51547314), (6, 42956095), (7, 36819510), (10, 25773657), (13, 19825890), (14, 18409755), (15, 17182438), (21, 12273170), (26, 9912945), (30, 8591219), (35, 7363902), (39, 6608630), (42, 6136585), (49, 5259930), (65, 3965178), (70, 3681951), (78, 3304315), (91, 2832270), (98, 2629965), (105, 2454634), (130, 1982589), (147, 1753310), (182, 1416135), (195, 1321726), (210, 1227317), (245, 1051986), (273, 944090), (294, 876655), (390, 660863), (455, 566454), (490, 525993), (546, 472045), (637, 404610), (735, 350662), (910, 283227), (1274, 202305), (1365, 188818), (1470, 175331), (1911, 134870), (2730, 94409), (3185, 80922), (3822, 67435), (6370, 40461), (9555, 26974), (13487, 19110)]