77842810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 79750790

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 47, 94, 95, 115, 190, 230, 235, 379, 437, 470, 758, 874, 893, 1081, 1786, 1895, 2162, 2185, 3790, 4370, 4465, 5405, 7201, 8717, 8930, 10810, 14402, 17434, 17813, 20539, 35626, 36005, 41078, 43585, 72010, 87170, 89065, 102695, 165623, 178130, 205390, 331246, 338447, 409699, 676894, 819398, 828115, 1656230, 1692235, 2048495, 3384470, 4096990, 7784281, 15568562, 38921405, 77842810]

約数ペア:

[(1, 77842810), (2, 38921405), (5, 15568562), (10, 7784281), (19, 4096990), (23, 3384470), (38, 2048495), (46, 1692235), (47, 1656230), (94, 828115), (95, 819398), (115, 676894), (190, 409699), (230, 338447), (235, 331246), (379, 205390), (437, 178130), (470, 165623), (758, 102695), (874, 89065), (893, 87170), (1081, 72010), (1786, 43585), (1895, 41078), (2162, 36005), (2185, 35626), (3790, 20539), (4370, 17813), (4465, 17434), (5405, 14402), (7201, 10810), (8717, 8930)]