64968100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 150490368

約数和(自身を除く): 85522268

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 575, 601, 940, 1081, 1150, 1175, 1202, 2162, 2300, 2350, 2404, 3005, 4324, 4700, 5405, 6010, 10810, 12020, 13823, 15025, 21620, 27025, 27646, 28247, 30050, 54050, 55292, 56494, 60100, 69115, 108100, 112988, 138230, 141235, 276460, 282470, 345575, 564940, 649681, 691150, 706175, 1299362, 1382300, 1412350, 2598724, 2824700, 3248405, 6496810, 12993620, 16242025, 32484050, 64968100]

約数ペア:

[(1, 64968100), (2, 32484050), (4, 16242025), (5, 12993620), (10, 6496810), (20, 3248405), (23, 2824700), (25, 2598724), (46, 1412350), (47, 1382300), (50, 1299362), (92, 706175), (94, 691150), (100, 649681), (115, 564940), (188, 345575), (230, 282470), (235, 276460), (460, 141235), (470, 138230), (575, 112988), (601, 108100), (940, 69115), (1081, 60100), (1150, 56494), (1175, 55292), (1202, 54050), (2162, 30050), (2300, 28247), (2350, 27646), (2404, 27025), (3005, 21620), (4324, 15025), (4700, 13823), (5405, 12020), (6010, 10810)]