22278500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2657

約数の個数: 48

約数和(自身を含む): 51538032

約数和(自身を除く): 29259532

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2621, 4250, 5242, 8500, 10484, 13105, 26210, 44557, 52420, 65525, 89114, 131050, 178228, 222785, 262100, 327625, 445570, 655250, 891140, 1113925, 1310500, 2227850, 4455700, 5569625, 11139250, 22278500]

約数ペア:

[(1, 22278500), (2, 11139250), (4, 5569625), (5, 4455700), (10, 2227850), (17, 1310500), (20, 1113925), (25, 891140), (34, 655250), (50, 445570), (68, 327625), (85, 262100), (100, 222785), (125, 178228), (170, 131050), (250, 89114), (340, 65525), (425, 52420), (500, 44557), (850, 26210), (1700, 13105), (2125, 10484), (2621, 8500), (4250, 5242)]