29827420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 71951040

約数和(自身を除く): 42123620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 829, 1028, 1285, 1658, 1799, 2570, 3316, 3598, 4145, 5140, 5803, 7196, 8290, 8995, 11606, 16580, 17990, 23212, 29015, 35980, 58030, 116060, 213053, 426106, 852212, 1065265, 1491371, 2130530, 2982742, 4261060, 5965484, 7456855, 14913710, 29827420]

約数ペア:

[(1, 29827420), (2, 14913710), (4, 7456855), (5, 5965484), (7, 4261060), (10, 2982742), (14, 2130530), (20, 1491371), (28, 1065265), (35, 852212), (70, 426106), (140, 213053), (257, 116060), (514, 58030), (829, 35980), (1028, 29015), (1285, 23212), (1658, 17990), (1799, 16580), (2570, 11606), (3316, 8995), (3598, 8290), (4145, 7196), (5140, 5803)]