9878950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 19373760

約数和(自身を除く): 9494810

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 79, 82, 122, 158, 205, 305, 395, 410, 610, 790, 1025, 1525, 1975, 2050, 2501, 3050, 3239, 3950, 4819, 5002, 6478, 9638, 12505, 16195, 24095, 25010, 32390, 48190, 62525, 80975, 120475, 125050, 161950, 197579, 240950, 395158, 987895, 1975790, 4939475, 9878950]

約数ペア:

[(1, 9878950), (2, 4939475), (5, 1975790), (10, 987895), (25, 395158), (41, 240950), (50, 197579), (61, 161950), (79, 125050), (82, 120475), (122, 80975), (158, 62525), (205, 48190), (305, 32390), (395, 25010), (410, 24095), (610, 16195), (790, 12505), (1025, 9638), (1525, 6478), (1975, 5002), (2050, 4819), (2501, 3950), (3050, 3239)]