29778420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{70901}}^1$

素因数の和:70920

約数の個数: 48

約数和(自身を含む): 95292288

約数和(自身を除く): 65513868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 70901, 141802, 212703, 283604, 354505, 425406, 496307, 709010, 850812, 992614, 1063515, 1418020, 1488921, 1985228, 2127030, 2481535, 2977842, 4254060, 4963070, 5955684, 7444605, 9926140, 14889210, 29778420]

約数ペア:

[(1, 29778420), (2, 14889210), (3, 9926140), (4, 7444605), (5, 5955684), (6, 4963070), (7, 4254060), (10, 2977842), (12, 2481535), (14, 2127030), (15, 1985228), (20, 1488921), (21, 1418020), (28, 1063515), (30, 992614), (35, 850812), (42, 709010), (60, 496307), (70, 425406), (84, 354505), (105, 283604), (140, 212703), (210, 141802), (420, 70901)]