68943550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 142959600

約数和(自身を除く): 74016050

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 169, 199, 205, 325, 338, 398, 410, 533, 650, 845, 995, 1025, 1066, 1690, 1990, 2050, 2587, 2665, 4225, 4975, 5174, 5330, 6929, 8159, 8450, 9950, 12935, 13325, 13858, 16318, 25870, 26650, 33631, 34645, 40795, 64675, 67262, 69290, 81590, 106067, 129350, 168155, 173225, 203975, 212134, 336310, 346450, 407950, 530335, 840775, 1060670, 1378871, 1681550, 2651675, 2757742, 5303350, 6894355, 13788710, 34471775, 68943550]

約数ペア:

[(1, 68943550), (2, 34471775), (5, 13788710), (10, 6894355), (13, 5303350), (25, 2757742), (26, 2651675), (41, 1681550), (50, 1378871), (65, 1060670), (82, 840775), (130, 530335), (169, 407950), (199, 346450), (205, 336310), (325, 212134), (338, 203975), (398, 173225), (410, 168155), (533, 129350), (650, 106067), (845, 81590), (995, 69290), (1025, 67262), (1066, 64675), (1690, 40795), (1990, 34645), (2050, 33631), (2587, 26650), (2665, 25870), (4225, 16318), (4975, 13858), (5174, 13325), (5330, 12935), (6929, 9950), (8159, 8450)]