198511020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{367613}}^1$

素因数の和:367631

約数の個数: 48

約数和(自身を含む): 617591520

約数和(自身を除く): 419080500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 367613, 735226, 1102839, 1470452, 1838065, 2205678, 3308517, 3676130, 4411356, 5514195, 6617034, 7352260, 9925551, 11028390, 13234068, 16542585, 19851102, 22056780, 33085170, 39702204, 49627755, 66170340, 99255510, 198511020]

約数ペア:

[(1, 198511020), (2, 99255510), (3, 66170340), (4, 49627755), (5, 39702204), (6, 33085170), (9, 22056780), (10, 19851102), (12, 16542585), (15, 13234068), (18, 11028390), (20, 9925551), (27, 7352260), (30, 6617034), (36, 5514195), (45, 4411356), (54, 3676130), (60, 3308517), (90, 2205678), (108, 1838065), (135, 1470452), (180, 1102839), (270, 735226), (540, 367613)]