168889744780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1\times {\mathrm{2141}}^1$

素因数の和:2659

約数の個数: 96

約数和(自身を含む): 362087107200

約数和(自身を除く): 193197362420

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 206, 257, 298, 412, 514, 515, 596, 745, 1028, 1030, 1285, 1490, 2060, 2141, 2570, 2980, 4282, 5140, 8564, 10705, 15347, 21410, 26471, 30694, 38293, 42820, 52942, 61388, 76586, 76735, 105884, 132355, 153172, 153470, 191465, 220523, 264710, 306940, 319009, 382930, 441046, 529420, 550237, 638018, 765860, 882092, 1100474, 1102615, 1276036, 1595045, 2200948, 2205230, 2751185, 3190090, 3944179, 4410460, 5502370, 6380180, 7888358, 11004740, 15776716, 19720895, 32857927, 39441790, 56674411, 65715854, 78883580, 81985313, 113348822, 131431708, 163970626, 164289635, 226697644, 283372055, 327941252, 328579270, 409926565, 566744110, 657158540, 819853130, 1133488220, 1639706260, 8444487239, 16888974478, 33777948956, 42222436195, 84444872390, 168889744780]

約数ペア:

[(1, 168889744780), (2, 84444872390), (4, 42222436195), (5, 33777948956), (10, 16888974478), (20, 8444487239), (103, 1639706260), (149, 1133488220), (206, 819853130), (257, 657158540), (298, 566744110), (412, 409926565), (514, 328579270), (515, 327941252), (596, 283372055), (745, 226697644), (1028, 164289635), (1030, 163970626), (1285, 131431708), (1490, 113348822), (2060, 81985313), (2141, 78883580), (2570, 65715854), (2980, 56674411), (4282, 39441790), (5140, 32857927), (8564, 19720895), (10705, 15776716), (15347, 11004740), (21410, 7888358), (26471, 6380180), (30694, 5502370), (38293, 4410460), (42820, 3944179), (52942, 3190090), (61388, 2751185), (76586, 2205230), (76735, 2200948), (105884, 1595045), (132355, 1276036), (153172, 1102615), (153470, 1100474), (191465, 882092), (220523, 765860), (264710, 638018), (306940, 550237), (319009, 529420), (382930, 441046)]