29981620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 66749760

約数和(自身を除く): 36768140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 307, 380, 514, 614, 1028, 1228, 1285, 1535, 2570, 3070, 4883, 5140, 5833, 6140, 9766, 11666, 19532, 23332, 24415, 29165, 48830, 58330, 78899, 97660, 116660, 157798, 315596, 394495, 788990, 1499081, 1577980, 2998162, 5996324, 7495405, 14990810, 29981620]

約数ペア:

[(1, 29981620), (2, 14990810), (4, 7495405), (5, 5996324), (10, 2998162), (19, 1577980), (20, 1499081), (38, 788990), (76, 394495), (95, 315596), (190, 157798), (257, 116660), (307, 97660), (380, 78899), (514, 58330), (614, 48830), (1028, 29165), (1228, 24415), (1285, 23332), (1535, 19532), (2570, 11666), (3070, 9766), (4883, 6140), (5140, 5833)]