42354820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 94711680

約数和(自身を除く): 52356860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 347, 359, 694, 718, 1388, 1436, 1735, 1795, 3470, 3590, 5899, 6103, 6940, 7180, 11798, 12206, 23596, 24412, 29495, 30515, 58990, 61030, 117980, 122060, 124573, 249146, 498292, 622865, 1245730, 2117741, 2491460, 4235482, 8470964, 10588705, 21177410, 42354820]

約数ペア:

[(1, 42354820), (2, 21177410), (4, 10588705), (5, 8470964), (10, 4235482), (17, 2491460), (20, 2117741), (34, 1245730), (68, 622865), (85, 498292), (170, 249146), (340, 124573), (347, 122060), (359, 117980), (694, 61030), (718, 58990), (1388, 30515), (1436, 29495), (1735, 24412), (1795, 23596), (3470, 12206), (3590, 11798), (5899, 7180), (6103, 6940)]