29292860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 63715680

約数和(自身を除く): 34422820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 257, 278, 410, 514, 556, 695, 820, 1028, 1285, 1390, 2570, 2780, 5140, 5699, 10537, 11398, 21074, 22796, 28495, 35723, 42148, 52685, 56990, 71446, 105370, 113980, 142892, 178615, 210740, 357230, 714460, 1464643, 2929286, 5858572, 7323215, 14646430, 29292860]

約数ペア:

[(1, 29292860), (2, 14646430), (4, 7323215), (5, 5858572), (10, 2929286), (20, 1464643), (41, 714460), (82, 357230), (139, 210740), (164, 178615), (205, 142892), (257, 113980), (278, 105370), (410, 71446), (514, 56990), (556, 52685), (695, 42148), (820, 35723), (1028, 28495), (1285, 22796), (1390, 21074), (2570, 11398), (2780, 10537), (5140, 5699)]