47143240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^2$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 108592380

約数和(自身を除く): 61449140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 139, 244, 278, 305, 488, 556, 610, 695, 1112, 1220, 1390, 2440, 2780, 5560, 8479, 16958, 19321, 33916, 38642, 42395, 67832, 77284, 84790, 96605, 154568, 169580, 193210, 339160, 386420, 772840, 1178581, 2357162, 4714324, 5892905, 9428648, 11785810, 23571620, 47143240]

約数ペア:

[(1, 47143240), (2, 23571620), (4, 11785810), (5, 9428648), (8, 5892905), (10, 4714324), (20, 2357162), (40, 1178581), (61, 772840), (122, 386420), (139, 339160), (244, 193210), (278, 169580), (305, 154568), (488, 96605), (556, 84790), (610, 77284), (695, 67832), (1112, 42395), (1220, 38642), (1390, 33916), (2440, 19321), (2780, 16958), (5560, 8479)]