231406980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{550969}}^1$

素因数の和:550988

約数の個数: 48

約数和(自身を含む): 740503680

約数和(自身を除く): 509096700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 550969, 1101938, 1652907, 2203876, 2754845, 3305814, 3856783, 5509690, 6611628, 7713566, 8264535, 11019380, 11570349, 15427132, 16529070, 19283915, 23140698, 33058140, 38567830, 46281396, 57851745, 77135660, 115703490, 231406980]

約数ペア:

[(1, 231406980), (2, 115703490), (3, 77135660), (4, 57851745), (5, 46281396), (6, 38567830), (7, 33058140), (10, 23140698), (12, 19283915), (14, 16529070), (15, 15427132), (20, 11570349), (21, 11019380), (28, 8264535), (30, 7713566), (35, 6611628), (42, 5509690), (60, 3856783), (70, 3305814), (84, 2754845), (105, 2203876), (140, 1652907), (210, 1101938), (420, 550969)]