31298630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34019770

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 89, 110, 115, 139, 178, 230, 253, 278, 445, 506, 695, 890, 979, 1265, 1390, 1529, 1958, 2047, 2530, 3058, 3197, 4094, 4895, 6394, 7645, 9790, 10235, 12371, 15290, 15985, 20470, 22517, 24742, 31970, 35167, 45034, 61855, 70334, 112585, 123710, 136081, 175835, 225170, 272162, 284533, 351670, 569066, 680405, 1360810, 1422665, 2845330, 3129863, 6259726, 15649315, 31298630]

約数ペア:

[(1, 31298630), (2, 15649315), (5, 6259726), (10, 3129863), (11, 2845330), (22, 1422665), (23, 1360810), (46, 680405), (55, 569066), (89, 351670), (110, 284533), (115, 272162), (139, 225170), (178, 175835), (230, 136081), (253, 123710), (278, 112585), (445, 70334), (506, 61855), (695, 45034), (890, 35167), (979, 31970), (1265, 24742), (1390, 22517), (1529, 20470), (1958, 15985), (2047, 15290), (2530, 12371), (3058, 10235), (3197, 9790), (4094, 7645), (4895, 6394)]