339945900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{161879}}^1$

素因数の和:161903

約数の個数: 72

約数和(自身を含む): 1124094720

約数和(自身を除く): 784148820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 161879, 323758, 485637, 647516, 809395, 971274, 1133153, 1618790, 1942548, 2266306, 2428185, 3237580, 3399459, 4046975, 4532612, 4856370, 5665765, 6798918, 8093950, 9712740, 11331530, 12140925, 13597836, 16187900, 16997295, 22663060, 24281850, 28328825, 33994590, 48563700, 56657650, 67989180, 84986475, 113315300, 169972950, 339945900]

約数ペア:

[(1, 339945900), (2, 169972950), (3, 113315300), (4, 84986475), (5, 67989180), (6, 56657650), (7, 48563700), (10, 33994590), (12, 28328825), (14, 24281850), (15, 22663060), (20, 16997295), (21, 16187900), (25, 13597836), (28, 12140925), (30, 11331530), (35, 9712740), (42, 8093950), (50, 6798918), (60, 5665765), (70, 4856370), (75, 4532612), (84, 4046975), (100, 3399459), (105, 3237580), (140, 2428185), (150, 2266306), (175, 1942548), (210, 1618790), (300, 1133153), (350, 971274), (420, 809395), (525, 647516), (700, 485637), (1050, 323758), (2100, 161879)]