425790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 1209600

約数和(自身を除く): 783810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 83, 90, 95, 114, 135, 166, 171, 190, 249, 270, 285, 342, 415, 498, 513, 570, 747, 830, 855, 1026, 1245, 1494, 1577, 1710, 2241, 2490, 2565, 3154, 3735, 4482, 4731, 5130, 7470, 7885, 9462, 11205, 14193, 15770, 22410, 23655, 28386, 42579, 47310, 70965, 85158, 141930, 212895, 425790]

約数ペア:

[(1, 425790), (2, 212895), (3, 141930), (5, 85158), (6, 70965), (9, 47310), (10, 42579), (15, 28386), (18, 23655), (19, 22410), (27, 15770), (30, 14193), (38, 11205), (45, 9462), (54, 7885), (57, 7470), (83, 5130), (90, 4731), (95, 4482), (114, 3735), (135, 3154), (166, 2565), (171, 2490), (190, 2241), (249, 1710), (270, 1577), (285, 1494), (342, 1245), (415, 1026), (498, 855), (513, 830), (570, 747)]