15697619950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{20173}}^1$

素因数の和:20461

約数の個数: 48

約数和(自身を含む): 29718722880

約数和(自身を除く): 14021102930

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 197, 394, 395, 790, 985, 1970, 1975, 3950, 4925, 9850, 15563, 20173, 31126, 40346, 77815, 100865, 155630, 201730, 389075, 504325, 778150, 1008650, 1593667, 3187334, 3974081, 7948162, 7968335, 15936670, 19870405, 39740810, 39841675, 79683350, 99352025, 198704050, 313952399, 627904798, 1569761995, 3139523990, 7848809975, 15697619950]

約数ペア:

[(1, 15697619950), (2, 7848809975), (5, 3139523990), (10, 1569761995), (25, 627904798), (50, 313952399), (79, 198704050), (158, 99352025), (197, 79683350), (394, 39841675), (395, 39740810), (790, 19870405), (985, 15936670), (1970, 7968335), (1975, 7948162), (3950, 3974081), (4925, 3187334), (9850, 1593667), (15563, 1008650), (20173, 778150), (31126, 504325), (40346, 389075), (77815, 201730), (100865, 155630)]