25178650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 55978560

約数和(自身を除く): 30799910

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 49, 50, 70, 86, 98, 175, 215, 239, 245, 301, 350, 430, 478, 490, 602, 1075, 1195, 1225, 1505, 1673, 2107, 2150, 2390, 2450, 3010, 3346, 4214, 5975, 7525, 8365, 10277, 10535, 11711, 11950, 15050, 16730, 20554, 21070, 23422, 41825, 51385, 52675, 58555, 71939, 83650, 102770, 105350, 117110, 143878, 256925, 292775, 359695, 503573, 513850, 585550, 719390, 1007146, 1798475, 2517865, 3596950, 5035730, 12589325, 25178650]

約数ペア:

[(1, 25178650), (2, 12589325), (5, 5035730), (7, 3596950), (10, 2517865), (14, 1798475), (25, 1007146), (35, 719390), (43, 585550), (49, 513850), (50, 503573), (70, 359695), (86, 292775), (98, 256925), (175, 143878), (215, 117110), (239, 105350), (245, 102770), (301, 83650), (350, 71939), (430, 58555), (478, 52675), (490, 51385), (602, 41825), (1075, 23422), (1195, 21070), (1225, 20554), (1505, 16730), (1673, 15050), (2107, 11950), (2150, 11711), (2390, 10535), (2450, 10277), (3010, 8365), (3346, 7525), (4214, 5975)]