28920170020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4051}}^1\times {\mathrm{50993}}^1$

素因数の和:55060

約数の個数: 48

約数和(自身を含む): 69426903168

約数和(自身を除く): 40506733148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4051, 8102, 16204, 20255, 28357, 40510, 50993, 56714, 81020, 101986, 113428, 141785, 203972, 254965, 283570, 356951, 509930, 567140, 713902, 1019860, 1427804, 1784755, 3569510, 7139020, 206572643, 413145286, 826290572, 1032863215, 1446008501, 2065726430, 2892017002, 4131452860, 5784034004, 7230042505, 14460085010, 28920170020]

約数ペア:

[(1, 28920170020), (2, 14460085010), (4, 7230042505), (5, 5784034004), (7, 4131452860), (10, 2892017002), (14, 2065726430), (20, 1446008501), (28, 1032863215), (35, 826290572), (70, 413145286), (140, 206572643), (4051, 7139020), (8102, 3569510), (16204, 1784755), (20255, 1427804), (28357, 1019860), (40510, 713902), (50993, 567140), (56714, 509930), (81020, 356951), (101986, 283570), (113428, 254965), (141785, 203972)]