201697720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 540144000

約数和(自身を除く): 338446280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 241, 244, 245, 280, 305, 343, 392, 427, 482, 488, 490, 610, 686, 854, 964, 980, 1205, 1220, 1372, 1687, 1708, 1715, 1928, 1960, 2135, 2410, 2440, 2744, 2989, 3374, 3416, 3430, 4270, 4820, 5978, 6748, 6860, 8435, 8540, 9640, 11809, 11956, 13496, 13720, 14701, 14945, 16870, 17080, 20923, 23618, 23912, 29402, 29890, 33740, 41846, 47236, 58804, 59045, 59780, 67480, 73505, 82663, 83692, 94472, 102907, 104615, 117608, 118090, 119560, 147010, 165326, 167384, 205814, 209230, 236180, 294020, 330652, 411628, 413315, 418460, 472360, 514535, 588040, 661304, 720349, 823256, 826630, 836920, 1029070, 1440698, 1653260, 2058140, 2881396, 3306520, 3601745, 4116280, 5042443, 5762792, 7203490, 10084886, 14406980, 20169772, 25212215, 28813960, 40339544, 50424430, 100848860, 201697720]

約数ペア:

[(1, 201697720), (2, 100848860), (4, 50424430), (5, 40339544), (7, 28813960), (8, 25212215), (10, 20169772), (14, 14406980), (20, 10084886), (28, 7203490), (35, 5762792), (40, 5042443), (49, 4116280), (56, 3601745), (61, 3306520), (70, 2881396), (98, 2058140), (122, 1653260), (140, 1440698), (196, 1029070), (241, 836920), (244, 826630), (245, 823256), (280, 720349), (305, 661304), (343, 588040), (392, 514535), (427, 472360), (482, 418460), (488, 413315), (490, 411628), (610, 330652), (686, 294020), (854, 236180), (964, 209230), (980, 205814), (1205, 167384), (1220, 165326), (1372, 147010), (1687, 119560), (1708, 118090), (1715, 117608), (1928, 104615), (1960, 102907), (2135, 94472), (2410, 83692), (2440, 82663), (2744, 73505), (2989, 67480), (3374, 59780), (3416, 59045), (3430, 58804), (4270, 47236), (4820, 41846), (5978, 33740), (6748, 29890), (6860, 29402), (8435, 23912), (8540, 23618), (9640, 20923), (11809, 17080), (11956, 16870), (13496, 14945), (13720, 14701)]