199927450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 387397080

約数和(自身を除く): 187469630

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 173, 290, 346, 725, 797, 865, 1450, 1594, 1730, 3985, 4325, 5017, 7970, 8650, 10034, 19925, 23113, 25085, 39850, 46226, 50170, 115565, 125425, 137881, 231130, 250850, 275762, 577825, 689405, 1155650, 1378810, 3447025, 3998549, 6894050, 7997098, 19992745, 39985490, 99963725, 199927450]

約数ペア:

[(1, 199927450), (2, 99963725), (5, 39985490), (10, 19992745), (25, 7997098), (29, 6894050), (50, 3998549), (58, 3447025), (145, 1378810), (173, 1155650), (290, 689405), (346, 577825), (725, 275762), (797, 250850), (865, 231130), (1450, 137881), (1594, 125425), (1730, 115565), (3985, 50170), (4325, 46226), (5017, 39850), (7970, 25085), (8650, 23113), (10034, 19925)]