90185425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 131134464

約数和(自身を除く): 40949039

約数列:

[1, 5, 11, 17, 25, 55, 85, 101, 187, 191, 275, 425, 505, 935, 955, 1111, 1717, 2101, 2525, 3247, 4675, 4775, 5555, 8585, 10505, 16235, 18887, 19291, 27775, 35717, 42925, 52525, 81175, 94435, 96455, 178585, 212201, 327947, 472175, 482275, 892925, 1061005, 1639735, 3607417, 5305025, 8198675, 18037085, 90185425]

約数ペア:

[(1, 90185425), (5, 18037085), (11, 8198675), (17, 5305025), (25, 3607417), (55, 1639735), (85, 1061005), (101, 892925), (187, 482275), (191, 472175), (275, 327947), (425, 212201), (505, 178585), (935, 96455), (955, 94435), (1111, 81175), (1717, 52525), (2101, 42925), (2525, 35717), (3247, 27775), (4675, 19291), (4775, 18887), (5555, 16235), (8585, 10505)]