136880020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1697}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 298100880

約数和(自身を除く): 161220860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 1697, 2180, 3394, 4033, 6788, 8066, 8485, 16132, 16970, 20165, 33940, 40330, 62789, 80660, 125578, 184973, 251156, 313945, 369946, 627890, 739892, 924865, 1255780, 1849730, 3699460, 6844001, 13688002, 27376004, 34220005, 68440010, 136880020]

約数ペア:

[(1, 136880020), (2, 68440010), (4, 34220005), (5, 27376004), (10, 13688002), (20, 6844001), (37, 3699460), (74, 1849730), (109, 1255780), (148, 924865), (185, 739892), (218, 627890), (370, 369946), (436, 313945), (545, 251156), (740, 184973), (1090, 125578), (1697, 80660), (2180, 62789), (3394, 40330), (4033, 33940), (6788, 20165), (8066, 16970), (8485, 16132)]