12152420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 29664768

約数和(自身を除く): 17512348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1423, 1708, 2135, 2846, 4270, 5692, 7115, 8540, 9961, 14230, 19922, 28460, 39844, 49805, 86803, 99610, 173606, 199220, 347212, 434015, 607621, 868030, 1215242, 1736060, 2430484, 3038105, 6076210, 12152420]

約数ペア:

[(1, 12152420), (2, 6076210), (4, 3038105), (5, 2430484), (7, 1736060), (10, 1215242), (14, 868030), (20, 607621), (28, 434015), (35, 347212), (61, 199220), (70, 173606), (122, 99610), (140, 86803), (244, 49805), (305, 39844), (427, 28460), (610, 19922), (854, 14230), (1220, 9961), (1423, 8540), (1708, 7115), (2135, 5692), (2846, 4270)]