69887350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 141865920

約数和(自身を除く): 71978570

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1361, 1975, 2054, 2722, 3950, 5135, 6805, 10270, 13610, 17693, 25675, 34025, 35386, 51350, 68050, 88465, 107519, 176930, 215038, 442325, 537595, 884650, 1075190, 1397747, 2687975, 2795494, 5375950, 6988735, 13977470, 34943675, 69887350]

約数ペア:

[(1, 69887350), (2, 34943675), (5, 13977470), (10, 6988735), (13, 5375950), (25, 2795494), (26, 2687975), (50, 1397747), (65, 1075190), (79, 884650), (130, 537595), (158, 442325), (325, 215038), (395, 176930), (650, 107519), (790, 88465), (1027, 68050), (1361, 51350), (1975, 35386), (2054, 34025), (2722, 25675), (3950, 17693), (5135, 13610), (6805, 10270)]