211991640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1222

約数の個数: 192

約数和(自身を含む): 764328960

約数和(自身を除く): 552337320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 980, 1085, 1163, 1176, 1240, 1302, 1470, 1519, 1736, 1860, 1960, 2170, 2326, 2604, 2940, 3038, 3255, 3489, 3720, 4340, 4557, 4652, 5208, 5815, 5880, 6076, 6510, 6978, 7595, 8141, 8680, 9114, 9304, 11630, 12152, 13020, 13956, 15190, 16282, 17445, 18228, 22785, 23260, 24423, 26040, 27912, 30380, 32564, 34890, 36053, 36456, 40705, 45570, 46520, 48846, 56987, 60760, 65128, 69780, 72106, 81410, 91140, 97692, 108159, 113974, 122115, 139560, 144212, 162820, 170961, 180265, 182280, 195384, 216318, 227948, 244230, 252371, 284935, 288424, 325640, 341922, 360530, 432636, 455896, 488460, 504742, 540795, 569870, 683844, 721060, 757113, 854805, 865272, 976920, 1009484, 1081590, 1139740, 1261855, 1367688, 1442120, 1514226, 1709610, 1766597, 2018968, 2163180, 2279480, 2523710, 3028452, 3419220, 3533194, 3785565, 4326360, 5047420, 5299791, 6056904, 6838440, 7066388, 7571130, 8832985, 10094840, 10599582, 14132776, 15142260, 17665970, 21199164, 26498955, 30284520, 35331940, 42398328, 52997910, 70663880, 105995820, 211991640]

約数ペア:

[(1, 211991640), (2, 105995820), (3, 70663880), (4, 52997910), (5, 42398328), (6, 35331940), (7, 30284520), (8, 26498955), (10, 21199164), (12, 17665970), (14, 15142260), (15, 14132776), (20, 10599582), (21, 10094840), (24, 8832985), (28, 7571130), (30, 7066388), (31, 6838440), (35, 6056904), (40, 5299791), (42, 5047420), (49, 4326360), (56, 3785565), (60, 3533194), (62, 3419220), (70, 3028452), (84, 2523710), (93, 2279480), (98, 2163180), (105, 2018968), (120, 1766597), (124, 1709610), (140, 1514226), (147, 1442120), (155, 1367688), (168, 1261855), (186, 1139740), (196, 1081590), (210, 1009484), (217, 976920), (245, 865272), (248, 854805), (280, 757113), (294, 721060), (310, 683844), (372, 569870), (392, 540795), (420, 504742), (434, 488460), (465, 455896), (490, 432636), (588, 360530), (620, 341922), (651, 325640), (735, 288424), (744, 284935), (840, 252371), (868, 244230), (930, 227948), (980, 216318), (1085, 195384), (1163, 182280), (1176, 180265), (1240, 170961), (1302, 162820), (1470, 144212), (1519, 139560), (1736, 122115), (1860, 113974), (1960, 108159), (2170, 97692), (2326, 91140), (2604, 81410), (2940, 72106), (3038, 69780), (3255, 65128), (3489, 60760), (3720, 56987), (4340, 48846), (4557, 46520), (4652, 45570), (5208, 40705), (5815, 36456), (5880, 36053), (6076, 34890), (6510, 32564), (6978, 30380), (7595, 27912), (8141, 26040), (8680, 24423), (9114, 23260), (9304, 22785), (11630, 18228), (12152, 17445), (13020, 16282), (13956, 15190)]