260188208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 600152064

約数和(自身を除く): 339963856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 137, 217, 248, 274, 434, 496, 547, 548, 868, 959, 1094, 1096, 1736, 1918, 2188, 2192, 3472, 3829, 3836, 4247, 4376, 7658, 7672, 8494, 8752, 15316, 15344, 16957, 16988, 29729, 30632, 33914, 33976, 59458, 61264, 67828, 67952, 74939, 118699, 118916, 135656, 149878, 237398, 237832, 271312, 299756, 474796, 475664, 524573, 599512, 949592, 1049146, 1199024, 1899184, 2098292, 2323109, 4196584, 4646218, 8393168, 9292436, 16261763, 18584872, 32523526, 37169744, 65047052, 130094104, 260188208]

約数ペア:

[(1, 260188208), (2, 130094104), (4, 65047052), (7, 37169744), (8, 32523526), (14, 18584872), (16, 16261763), (28, 9292436), (31, 8393168), (56, 4646218), (62, 4196584), (112, 2323109), (124, 2098292), (137, 1899184), (217, 1199024), (248, 1049146), (274, 949592), (434, 599512), (496, 524573), (547, 475664), (548, 474796), (868, 299756), (959, 271312), (1094, 237832), (1096, 237398), (1736, 149878), (1918, 135656), (2188, 118916), (2192, 118699), (3472, 74939), (3829, 67952), (3836, 67828), (4247, 61264), (4376, 59458), (7658, 33976), (7672, 33914), (8494, 30632), (8752, 29729), (15316, 16988), (15344, 16957)]