188209980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{2371}}^1$

素因数の和:2406

約数の個数: 180

約数和(自身を含む): 687106728

約数和(自身を除く): 498896748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2371, 2646, 2835, 2940, 3780, 3969, 4410, 4742, 5292, 5670, 6615, 7113, 7938, 8820, 9484, 11340, 11855, 13230, 14226, 15876, 16597, 19845, 21339, 23710, 26460, 28452, 33194, 35565, 39690, 42678, 47420, 49791, 64017, 66388, 71130, 79380, 82985, 85356, 99582, 106695, 116179, 128034, 142260, 149373, 165970, 192051, 199164, 213390, 232358, 248955, 256068, 298746, 320085, 331940, 348537, 384102, 426780, 448119, 464716, 497910, 580895, 597492, 640170, 697074, 746865, 768204, 896238, 960255, 995820, 1045611, 1161790, 1280340, 1344357, 1394148, 1493730, 1742685, 1792476, 1920510, 2091222, 2240595, 2323580, 2688714, 2987460, 3136833, 3485370, 3841020, 4182444, 4481190, 5228055, 5377428, 6273666, 6721785, 6970740, 8962380, 9410499, 10456110, 12547332, 13443570, 15684165, 18820998, 20912220, 26887140, 31368330, 37641996, 47052495, 62736660, 94104990, 188209980]

約数ペア:

[(1, 188209980), (2, 94104990), (3, 62736660), (4, 47052495), (5, 37641996), (6, 31368330), (7, 26887140), (9, 20912220), (10, 18820998), (12, 15684165), (14, 13443570), (15, 12547332), (18, 10456110), (20, 9410499), (21, 8962380), (27, 6970740), (28, 6721785), (30, 6273666), (35, 5377428), (36, 5228055), (42, 4481190), (45, 4182444), (49, 3841020), (54, 3485370), (60, 3136833), (63, 2987460), (70, 2688714), (81, 2323580), (84, 2240595), (90, 2091222), (98, 1920510), (105, 1792476), (108, 1742685), (126, 1493730), (135, 1394148), (140, 1344357), (147, 1280340), (162, 1161790), (180, 1045611), (189, 995820), (196, 960255), (210, 896238), (245, 768204), (252, 746865), (270, 697074), (294, 640170), (315, 597492), (324, 580895), (378, 497910), (405, 464716), (420, 448119), (441, 426780), (490, 384102), (540, 348537), (567, 331940), (588, 320085), (630, 298746), (735, 256068), (756, 248955), (810, 232358), (882, 213390), (945, 199164), (980, 192051), (1134, 165970), (1260, 149373), (1323, 142260), (1470, 128034), (1620, 116179), (1764, 106695), (1890, 99582), (2205, 85356), (2268, 82985), (2371, 79380), (2646, 71130), (2835, 66388), (2940, 64017), (3780, 49791), (3969, 47420), (4410, 42678), (4742, 39690), (5292, 35565), (5670, 33194), (6615, 28452), (7113, 26460), (7938, 23710), (8820, 21339), (9484, 19845), (11340, 16597), (11855, 15876), (13230, 14226)]