201019195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 287400960

約数和(自身を除く): 86381765

約数列:

[1, 5, 13, 23, 43, 53, 59, 65, 115, 215, 265, 295, 299, 559, 689, 767, 989, 1219, 1357, 1495, 2279, 2537, 2795, 3127, 3445, 3835, 4945, 6095, 6785, 11395, 12685, 12857, 15635, 15847, 17641, 29627, 32981, 40651, 52417, 58351, 64285, 71921, 79235, 88205, 134461, 148135, 164905, 203255, 262085, 291755, 359605, 672305, 681421, 758563, 934973, 1747993, 3092603, 3407105, 3792815, 4674865, 8739965, 15463015, 40203839, 201019195]

約数ペア:

[(1, 201019195), (5, 40203839), (13, 15463015), (23, 8739965), (43, 4674865), (53, 3792815), (59, 3407105), (65, 3092603), (115, 1747993), (215, 934973), (265, 758563), (295, 681421), (299, 672305), (559, 359605), (689, 291755), (767, 262085), (989, 203255), (1219, 164905), (1357, 148135), (1495, 134461), (2279, 88205), (2537, 79235), (2795, 71921), (3127, 64285), (3445, 58351), (3835, 52417), (4945, 40651), (6095, 32981), (6785, 29627), (11395, 17641), (12685, 15847), (12857, 15635)]