102721000

素因数分解:

$2^3\times 5^3\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 242424000

約数和(自身を除く): 139703000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 139, 200, 250, 278, 500, 556, 695, 739, 1000, 1112, 1390, 1478, 2780, 2956, 3475, 3695, 5560, 5912, 6950, 7390, 13900, 14780, 17375, 18475, 27800, 29560, 34750, 36950, 69500, 73900, 92375, 102721, 139000, 147800, 184750, 205442, 369500, 410884, 513605, 739000, 821768, 1027210, 2054420, 2568025, 4108840, 5136050, 10272100, 12840125, 20544200, 25680250, 51360500, 102721000]

約数ペア:

[(1, 102721000), (2, 51360500), (4, 25680250), (5, 20544200), (8, 12840125), (10, 10272100), (20, 5136050), (25, 4108840), (40, 2568025), (50, 2054420), (100, 1027210), (125, 821768), (139, 739000), (200, 513605), (250, 410884), (278, 369500), (500, 205442), (556, 184750), (695, 147800), (739, 139000), (1000, 102721), (1112, 92375), (1390, 73900), (1478, 69500), (2780, 36950), (2956, 34750), (3475, 29560), (3695, 27800), (5560, 18475), (5912, 17375), (6950, 14780), (7390, 13900)]