2021808402425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{254627}}^1$

素因数の和:254835

約数の個数: 72

約数和(自身を含む): 3063044470464

約数和(自身を除く): 1041236068039

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 157, 175, 289, 425, 595, 785, 1099, 1445, 2023, 2669, 2975, 3925, 5495, 7225, 10115, 13345, 18683, 27475, 45373, 50575, 66725, 93415, 226865, 254627, 317611, 467075, 1134325, 1273135, 1588055, 1782389, 4328659, 6365675, 7940275, 8911945, 21643295, 30300613, 39976439, 44559725, 73587203, 108216475, 151503065, 199882195, 279835073, 367936015, 515110421, 679599463, 757515325, 999410975, 1399175365, 1839680075, 2575552105, 3397997315, 4757196241, 6995876825, 11553190871, 12877760525, 16989986575, 23785981205, 57765954355, 80872336097, 118929906025, 288829771775, 404361680485, 2021808402425]

約数ペア:

[(1, 2021808402425), (5, 404361680485), (7, 288829771775), (17, 118929906025), (25, 80872336097), (35, 57765954355), (85, 23785981205), (119, 16989986575), (157, 12877760525), (175, 11553190871), (289, 6995876825), (425, 4757196241), (595, 3397997315), (785, 2575552105), (1099, 1839680075), (1445, 1399175365), (2023, 999410975), (2669, 757515325), (2975, 679599463), (3925, 515110421), (5495, 367936015), (7225, 279835073), (10115, 199882195), (13345, 151503065), (18683, 108216475), (27475, 73587203), (45373, 44559725), (50575, 39976439), (66725, 30300613), (93415, 21643295), (226865, 8911945), (254627, 7940275), (317611, 6365675), (467075, 4328659), (1134325, 1782389), (1273135, 1588055)]