220103972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{383}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 433907712

約数和(自身を除く): 213803740

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 353, 383, 407, 706, 766, 814, 1412, 1532, 1628, 3883, 4213, 7766, 8426, 13061, 14171, 15532, 16852, 26122, 28342, 52244, 56684, 135199, 143671, 155881, 270398, 287342, 311762, 540796, 574684, 623524, 1487189, 2974378, 5002363, 5948756, 10004726, 20009452, 55025993, 110051986, 220103972]

約数ペア:

[(1, 220103972), (2, 110051986), (4, 55025993), (11, 20009452), (22, 10004726), (37, 5948756), (44, 5002363), (74, 2974378), (148, 1487189), (353, 623524), (383, 574684), (407, 540796), (706, 311762), (766, 287342), (814, 270398), (1412, 155881), (1532, 143671), (1628, 135199), (3883, 56684), (4213, 52244), (7766, 28342), (8426, 26122), (13061, 16852), (14171, 15532)]