210908740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 556174080

約数和(自身を除く): 345265340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 49, 70, 76, 94, 95, 98, 133, 140, 188, 190, 196, 235, 241, 245, 266, 329, 380, 470, 482, 490, 532, 658, 665, 893, 931, 940, 964, 980, 1205, 1316, 1330, 1645, 1687, 1786, 1862, 2303, 2410, 2660, 3290, 3374, 3572, 3724, 4465, 4579, 4606, 4655, 4820, 6251, 6580, 6748, 8435, 8930, 9158, 9212, 9310, 11327, 11515, 11809, 12502, 16870, 17860, 18316, 18620, 22654, 22895, 23030, 23618, 25004, 31255, 32053, 33740, 43757, 45308, 45790, 46060, 47236, 56635, 59045, 62510, 64106, 79289, 87514, 91580, 113270, 118090, 125020, 128212, 158578, 160265, 175028, 215213, 218785, 224371, 226540, 236180, 317156, 320530, 396445, 430426, 437570, 448742, 555023, 641060, 792890, 860852, 875140, 897484, 1076065, 1110046, 1121855, 1506491, 1585780, 2152130, 2220092, 2243710, 2775115, 3012982, 4304260, 4487420, 5550230, 6025964, 7532455, 10545437, 11100460, 15064910, 21090874, 30129820, 42181748, 52727185, 105454370, 210908740]

約数ペア:

[(1, 210908740), (2, 105454370), (4, 52727185), (5, 42181748), (7, 30129820), (10, 21090874), (14, 15064910), (19, 11100460), (20, 10545437), (28, 7532455), (35, 6025964), (38, 5550230), (47, 4487420), (49, 4304260), (70, 3012982), (76, 2775115), (94, 2243710), (95, 2220092), (98, 2152130), (133, 1585780), (140, 1506491), (188, 1121855), (190, 1110046), (196, 1076065), (235, 897484), (241, 875140), (245, 860852), (266, 792890), (329, 641060), (380, 555023), (470, 448742), (482, 437570), (490, 430426), (532, 396445), (658, 320530), (665, 317156), (893, 236180), (931, 226540), (940, 224371), (964, 218785), (980, 215213), (1205, 175028), (1316, 160265), (1330, 158578), (1645, 128212), (1687, 125020), (1786, 118090), (1862, 113270), (2303, 91580), (2410, 87514), (2660, 79289), (3290, 64106), (3374, 62510), (3572, 59045), (3724, 56635), (4465, 47236), (4579, 46060), (4606, 45790), (4655, 45308), (4820, 43757), (6251, 33740), (6580, 32053), (6748, 31255), (8435, 25004), (8930, 23618), (9158, 23030), (9212, 22895), (9310, 22654), (11327, 18620), (11515, 18316), (11809, 17860), (12502, 16870)]