206708460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{70309}}^1$

素因数の和:70335

約数の個数: 72

約数和(自身を含む): 673288560

約数和(自身を除く): 466580100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 70309, 140618, 210927, 281236, 351545, 421854, 492163, 703090, 843708, 984326, 1054635, 1406180, 1476489, 1968652, 2109270, 2460815, 2952978, 3445141, 4218540, 4921630, 5905956, 6890282, 7382445, 9843260, 10335423, 13780564, 14764890, 17225705, 20670846, 29529780, 34451410, 41341692, 51677115, 68902820, 103354230, 206708460]

約数ペア:

[(1, 206708460), (2, 103354230), (3, 68902820), (4, 51677115), (5, 41341692), (6, 34451410), (7, 29529780), (10, 20670846), (12, 17225705), (14, 14764890), (15, 13780564), (20, 10335423), (21, 9843260), (28, 7382445), (30, 6890282), (35, 5905956), (42, 4921630), (49, 4218540), (60, 3445141), (70, 2952978), (84, 2460815), (98, 2109270), (105, 1968652), (140, 1476489), (147, 1406180), (196, 1054635), (210, 984326), (245, 843708), (294, 703090), (420, 492163), (490, 421854), (588, 351545), (735, 281236), (980, 210927), (1470, 140618), (2940, 70309)]