128618420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7013}}^1$

素因数の和:7160

約数の個数: 48

約数和(自身を含む): 311084928

約数和(自身を除く): 182466508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 7013, 9170, 14026, 18340, 28052, 35065, 49091, 70130, 98182, 140260, 196364, 245455, 490910, 918703, 981820, 1837406, 3674812, 4593515, 6430921, 9187030, 12861842, 18374060, 25723684, 32154605, 64309210, 128618420]

約数ペア:

[(1, 128618420), (2, 64309210), (4, 32154605), (5, 25723684), (7, 18374060), (10, 12861842), (14, 9187030), (20, 6430921), (28, 4593515), (35, 3674812), (70, 1837406), (131, 981820), (140, 918703), (262, 490910), (524, 245455), (655, 196364), (917, 140260), (1310, 98182), (1834, 70130), (2620, 49091), (3668, 35065), (4585, 28052), (7013, 18340), (9170, 14026)]