7806890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 18095616

約数和(自身を除く): 10288726

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 373, 455, 598, 746, 805, 910, 1495, 1610, 1865, 2093, 2611, 2990, 3730, 4186, 4849, 5222, 8579, 9698, 10465, 13055, 17158, 20930, 24245, 26110, 33943, 42895, 48490, 60053, 67886, 85790, 111527, 120106, 169715, 223054, 300265, 339430, 557635, 600530, 780689, 1115270, 1561378, 3903445, 7806890]

約数ペア:

[(1, 7806890), (2, 3903445), (5, 1561378), (7, 1115270), (10, 780689), (13, 600530), (14, 557635), (23, 339430), (26, 300265), (35, 223054), (46, 169715), (65, 120106), (70, 111527), (91, 85790), (115, 67886), (130, 60053), (161, 48490), (182, 42895), (230, 33943), (299, 26110), (322, 24245), (373, 20930), (455, 17158), (598, 13055), (746, 10465), (805, 9698), (910, 8579), (1495, 5222), (1610, 4849), (1865, 4186), (2093, 3730), (2611, 2990)]