291237440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70009}}^1$

素因数の和:70039

約数の個数: 56

約数和(自身を含む): 746866680

約数和(自身を除く): 455629240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 70009, 140018, 280036, 350045, 560072, 700090, 910117, 1120144, 1400180, 1820234, 2240288, 2800360, 3640468, 4480576, 4550585, 5600720, 7280936, 9101170, 11201440, 14561872, 18202340, 22402880, 29123744, 36404680, 58247488, 72809360, 145618720, 291237440]

約数ペア:

[(1, 291237440), (2, 145618720), (4, 72809360), (5, 58247488), (8, 36404680), (10, 29123744), (13, 22402880), (16, 18202340), (20, 14561872), (26, 11201440), (32, 9101170), (40, 7280936), (52, 5600720), (64, 4550585), (65, 4480576), (80, 3640468), (104, 2800360), (130, 2240288), (160, 1820234), (208, 1400180), (260, 1120144), (320, 910117), (416, 700090), (520, 560072), (832, 350045), (1040, 280036), (2080, 140018), (4160, 70009)]