25578210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{349}}^2$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 70358976

約数和(自身を除く): 44780766

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 349, 698, 1047, 1745, 2094, 2443, 3490, 4886, 5235, 7329, 10470, 12215, 14658, 24430, 36645, 73290, 121801, 243602, 365403, 609005, 730806, 852607, 1218010, 1705214, 1827015, 2557821, 3654030, 4263035, 5115642, 8526070, 12789105, 25578210]

約数ペア:

[(1, 25578210), (2, 12789105), (3, 8526070), (5, 5115642), (6, 4263035), (7, 3654030), (10, 2557821), (14, 1827015), (15, 1705214), (21, 1218010), (30, 852607), (35, 730806), (42, 609005), (70, 365403), (105, 243602), (210, 121801), (349, 73290), (698, 36645), (1047, 24430), (1745, 14658), (2094, 12215), (2443, 10470), (3490, 7329), (4886, 5235)]