122804980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 277090632

約数和(自身を除く): 154285652

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 233, 292, 361, 365, 380, 466, 722, 730, 932, 1165, 1387, 1444, 1460, 1805, 2330, 2774, 3610, 4427, 4660, 5548, 6935, 7220, 8854, 13870, 17009, 17708, 22135, 26353, 27740, 34018, 44270, 52706, 68036, 84113, 85045, 88540, 105412, 131765, 168226, 170090, 263530, 323171, 336452, 340180, 420565, 527060, 646342, 841130, 1292684, 1615855, 1682260, 3231710, 6140249, 6463420, 12280498, 24560996, 30701245, 61402490, 122804980]

約数ペア:

[(1, 122804980), (2, 61402490), (4, 30701245), (5, 24560996), (10, 12280498), (19, 6463420), (20, 6140249), (38, 3231710), (73, 1682260), (76, 1615855), (95, 1292684), (146, 841130), (190, 646342), (233, 527060), (292, 420565), (361, 340180), (365, 336452), (380, 323171), (466, 263530), (722, 170090), (730, 168226), (932, 131765), (1165, 105412), (1387, 88540), (1444, 85045), (1460, 84113), (1805, 68036), (2330, 52706), (2774, 44270), (3610, 34018), (4427, 27740), (4660, 26353), (5548, 22135), (6935, 17708), (7220, 17009), (8854, 13870)]