3121790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 6845472

約数和(自身を除く): 3723682

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 277, 322, 490, 554, 805, 1127, 1385, 1610, 1939, 2254, 2770, 3878, 5635, 6371, 9695, 11270, 12742, 13573, 19390, 27146, 31855, 44597, 63710, 67865, 89194, 135730, 222985, 312179, 445970, 624358, 1560895, 3121790]

約数ペア:

[(1, 3121790), (2, 1560895), (5, 624358), (7, 445970), (10, 312179), (14, 222985), (23, 135730), (35, 89194), (46, 67865), (49, 63710), (70, 44597), (98, 31855), (115, 27146), (161, 19390), (230, 13573), (245, 12742), (277, 11270), (322, 9695), (490, 6371), (554, 5635), (805, 3878), (1127, 2770), (1385, 2254), (1610, 1939)]