247712220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{196597}}^1$

素因数の和:196619

約数の個数: 72

約数和(自身を含む): 858740064

約数和(自身を除く): 611027844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 196597, 393194, 589791, 786388, 982985, 1179582, 1376179, 1769373, 1965970, 2359164, 2752358, 2948955, 3538746, 3931940, 4128537, 5504716, 5897910, 6880895, 7077492, 8257074, 8846865, 11795820, 12385611, 13761790, 16514148, 17693730, 20642685, 24771222, 27523580, 35387460, 41285370, 49542444, 61928055, 82570740, 123856110, 247712220]

約数ペア:

[(1, 247712220), (2, 123856110), (3, 82570740), (4, 61928055), (5, 49542444), (6, 41285370), (7, 35387460), (9, 27523580), (10, 24771222), (12, 20642685), (14, 17693730), (15, 16514148), (18, 13761790), (20, 12385611), (21, 11795820), (28, 8846865), (30, 8257074), (35, 7077492), (36, 6880895), (42, 5897910), (45, 5504716), (60, 4128537), (63, 3931940), (70, 3538746), (84, 2948955), (90, 2752358), (105, 2359164), (126, 1965970), (140, 1769373), (180, 1376179), (210, 1179582), (252, 982985), (315, 786388), (420, 589791), (630, 393194), (1260, 196597)]