205820008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 428457600

約数和(自身を除く): 222637592

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 113, 152, 184, 226, 437, 452, 521, 874, 904, 1042, 1748, 2084, 2147, 2599, 3496, 4168, 4294, 5198, 8588, 9899, 10396, 11983, 17176, 19798, 20792, 23966, 39596, 47932, 49381, 58873, 79192, 95864, 98762, 117746, 197524, 227677, 235492, 395048, 455354, 470984, 910708, 1118587, 1354079, 1821416, 2237174, 2708158, 4474348, 5416316, 8948696, 10832632, 25727501, 51455002, 102910004, 205820008]

約数ペア:

[(1, 205820008), (2, 102910004), (4, 51455002), (8, 25727501), (19, 10832632), (23, 8948696), (38, 5416316), (46, 4474348), (76, 2708158), (92, 2237174), (113, 1821416), (152, 1354079), (184, 1118587), (226, 910708), (437, 470984), (452, 455354), (521, 395048), (874, 235492), (904, 227677), (1042, 197524), (1748, 117746), (2084, 98762), (2147, 95864), (2599, 79192), (3496, 58873), (4168, 49381), (4294, 47932), (5198, 39596), (8588, 23966), (9899, 20792), (10396, 19798), (11983, 17176)]