124639160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 286675200

約数和(自身を除く): 162036040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 157, 178, 223, 314, 356, 445, 446, 628, 712, 785, 890, 892, 1115, 1256, 1570, 1780, 1784, 2230, 3140, 3560, 4460, 6280, 8920, 13973, 19847, 27946, 35011, 39694, 55892, 69865, 70022, 79388, 99235, 111784, 139730, 140044, 158776, 175055, 198470, 279460, 280088, 350110, 396940, 558920, 700220, 793880, 1400440, 3115979, 6231958, 12463916, 15579895, 24927832, 31159790, 62319580, 124639160]

約数ペア:

[(1, 124639160), (2, 62319580), (4, 31159790), (5, 24927832), (8, 15579895), (10, 12463916), (20, 6231958), (40, 3115979), (89, 1400440), (157, 793880), (178, 700220), (223, 558920), (314, 396940), (356, 350110), (445, 280088), (446, 279460), (628, 198470), (712, 175055), (785, 158776), (890, 140044), (892, 139730), (1115, 111784), (1256, 99235), (1570, 79388), (1780, 70022), (1784, 69865), (2230, 55892), (3140, 39694), (3560, 35011), (4460, 27946), (6280, 19847), (8920, 13973)]