30521372

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 64995840

約数和(自身を除く): 34474468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 557, 721, 1114, 1442, 1957, 2228, 2884, 3899, 3914, 7798, 7828, 10583, 13699, 15596, 21166, 27398, 42332, 54796, 57371, 74081, 114742, 148162, 229484, 296324, 401597, 803194, 1090049, 1606388, 2180098, 4360196, 7630343, 15260686, 30521372]

約数ペア:

[(1, 30521372), (2, 15260686), (4, 7630343), (7, 4360196), (14, 2180098), (19, 1606388), (28, 1090049), (38, 803194), (76, 401597), (103, 296324), (133, 229484), (206, 148162), (266, 114742), (412, 74081), (532, 57371), (557, 54796), (721, 42332), (1114, 27398), (1442, 21166), (1957, 15596), (2228, 13699), (2884, 10583), (3899, 7828), (3914, 7798)]