201443900

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 90

約数和(自身を含む): 510566280

約数和(自身を除く): 309122380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 839, 980, 1225, 1372, 1678, 1715, 2401, 2450, 3356, 3430, 4195, 4802, 4900, 5873, 6860, 8390, 8575, 9604, 11746, 12005, 16780, 17150, 20975, 23492, 24010, 29365, 34300, 41111, 41950, 48020, 58730, 60025, 82222, 83900, 117460, 120050, 146825, 164444, 205555, 240100, 287777, 293650, 411110, 575554, 587300, 822220, 1027775, 1151108, 1438885, 2014439, 2055550, 2877770, 4028878, 4111100, 5755540, 7194425, 8057756, 10072195, 14388850, 20144390, 28777700, 40288780, 50360975, 100721950, 201443900]

約数ペア:

[(1, 201443900), (2, 100721950), (4, 50360975), (5, 40288780), (7, 28777700), (10, 20144390), (14, 14388850), (20, 10072195), (25, 8057756), (28, 7194425), (35, 5755540), (49, 4111100), (50, 4028878), (70, 2877770), (98, 2055550), (100, 2014439), (140, 1438885), (175, 1151108), (196, 1027775), (245, 822220), (343, 587300), (350, 575554), (490, 411110), (686, 293650), (700, 287777), (839, 240100), (980, 205555), (1225, 164444), (1372, 146825), (1678, 120050), (1715, 117460), (2401, 83900), (2450, 82222), (3356, 60025), (3430, 58730), (4195, 48020), (4802, 41950), (4900, 41111), (5873, 34300), (6860, 29365), (8390, 24010), (8575, 23492), (9604, 20975), (11746, 17150), (12005, 16780)]