304594780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 806682240

約数和(自身を除く): 502087460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 49, 68, 70, 85, 94, 98, 119, 140, 170, 188, 196, 235, 238, 245, 329, 340, 389, 470, 476, 490, 595, 658, 778, 799, 833, 940, 980, 1190, 1316, 1556, 1598, 1645, 1666, 1945, 2303, 2380, 2723, 3196, 3290, 3332, 3890, 3995, 4165, 4606, 5446, 5593, 6580, 6613, 7780, 7990, 8330, 9212, 10892, 11186, 11515, 13226, 13615, 15980, 16660, 18283, 19061, 22372, 23030, 26452, 27230, 27965, 33065, 36566, 38122, 39151, 46060, 46291, 54460, 55930, 66130, 73132, 76244, 78302, 91415, 92582, 95305, 111860, 127981, 132260, 156604, 182830, 185164, 190610, 195755, 231455, 255962, 310811, 324037, 365660, 381220, 391510, 462910, 511924, 621622, 639905, 648074, 783020, 895867, 925820, 1243244, 1279810, 1296148, 1554055, 1620185, 1791734, 2175677, 2559620, 3108110, 3240370, 3583468, 4351354, 4479335, 6216220, 6480740, 8702708, 8958670, 10878385, 15229739, 17917340, 21756770, 30459478, 43513540, 60918956, 76148695, 152297390, 304594780]

約数ペア:

[(1, 304594780), (2, 152297390), (4, 76148695), (5, 60918956), (7, 43513540), (10, 30459478), (14, 21756770), (17, 17917340), (20, 15229739), (28, 10878385), (34, 8958670), (35, 8702708), (47, 6480740), (49, 6216220), (68, 4479335), (70, 4351354), (85, 3583468), (94, 3240370), (98, 3108110), (119, 2559620), (140, 2175677), (170, 1791734), (188, 1620185), (196, 1554055), (235, 1296148), (238, 1279810), (245, 1243244), (329, 925820), (340, 895867), (389, 783020), (470, 648074), (476, 639905), (490, 621622), (595, 511924), (658, 462910), (778, 391510), (799, 381220), (833, 365660), (940, 324037), (980, 310811), (1190, 255962), (1316, 231455), (1556, 195755), (1598, 190610), (1645, 185164), (1666, 182830), (1945, 156604), (2303, 132260), (2380, 127981), (2723, 111860), (3196, 95305), (3290, 92582), (3332, 91415), (3890, 78302), (3995, 76244), (4165, 73132), (4606, 66130), (5446, 55930), (5593, 54460), (6580, 46291), (6613, 46060), (7780, 39151), (7990, 38122), (8330, 36566), (9212, 33065), (10892, 27965), (11186, 27230), (11515, 26452), (13226, 23030), (13615, 22372), (15980, 19061), (16660, 18283)]