208989900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^3\times {\mathrm{677}}^1$

素因数の和:718

約数の個数: 216

約数和(自身を含む): 765055200

約数和(自身を除く): 556065300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 343, 350, 420, 441, 450, 490, 525, 588, 630, 677, 686, 700, 735, 882, 900, 980, 1029, 1050, 1225, 1260, 1354, 1372, 1470, 1575, 1715, 1764, 2031, 2058, 2100, 2205, 2450, 2708, 2940, 3087, 3150, 3385, 3430, 3675, 4062, 4116, 4410, 4739, 4900, 5145, 6093, 6174, 6300, 6770, 6860, 7350, 8124, 8575, 8820, 9478, 10155, 10290, 11025, 12186, 12348, 13540, 14217, 14700, 15435, 16925, 17150, 18956, 20310, 20580, 22050, 23695, 24372, 25725, 28434, 30465, 30870, 33173, 33850, 34300, 40620, 42651, 44100, 47390, 50775, 51450, 56868, 60930, 61740, 66346, 67700, 71085, 77175, 85302, 94780, 99519, 101550, 102900, 118475, 121860, 132692, 142170, 152325, 154350, 165865, 170604, 199038, 203100, 213255, 232211, 236950, 284340, 298557, 304650, 308700, 331730, 355425, 398076, 426510, 464422, 473900, 497595, 597114, 609300, 663460, 696633, 710850, 829325, 853020, 928844, 995190, 1066275, 1161055, 1194228, 1393266, 1421700, 1492785, 1658650, 1990380, 2089899, 2132550, 2322110, 2487975, 2786532, 2985570, 3317300, 3483165, 4179798, 4265100, 4644220, 4975950, 5805275, 5971140, 6966330, 7463925, 8359596, 9951900, 10449495, 11610550, 13932660, 14927850, 17415825, 20898990, 23221100, 29855700, 34831650, 41797980, 52247475, 69663300, 104494950, 208989900]

約数ペア:

[(1, 208989900), (2, 104494950), (3, 69663300), (4, 52247475), (5, 41797980), (6, 34831650), (7, 29855700), (9, 23221100), (10, 20898990), (12, 17415825), (14, 14927850), (15, 13932660), (18, 11610550), (20, 10449495), (21, 9951900), (25, 8359596), (28, 7463925), (30, 6966330), (35, 5971140), (36, 5805275), (42, 4975950), (45, 4644220), (49, 4265100), (50, 4179798), (60, 3483165), (63, 3317300), (70, 2985570), (75, 2786532), (84, 2487975), (90, 2322110), (98, 2132550), (100, 2089899), (105, 1990380), (126, 1658650), (140, 1492785), (147, 1421700), (150, 1393266), (175, 1194228), (180, 1161055), (196, 1066275), (210, 995190), (225, 928844), (245, 853020), (252, 829325), (294, 710850), (300, 696633), (315, 663460), (343, 609300), (350, 597114), (420, 497595), (441, 473900), (450, 464422), (490, 426510), (525, 398076), (588, 355425), (630, 331730), (677, 308700), (686, 304650), (700, 298557), (735, 284340), (882, 236950), (900, 232211), (980, 213255), (1029, 203100), (1050, 199038), (1225, 170604), (1260, 165865), (1354, 154350), (1372, 152325), (1470, 142170), (1575, 132692), (1715, 121860), (1764, 118475), (2031, 102900), (2058, 101550), (2100, 99519), (2205, 94780), (2450, 85302), (2708, 77175), (2940, 71085), (3087, 67700), (3150, 66346), (3385, 61740), (3430, 60930), (3675, 56868), (4062, 51450), (4116, 50775), (4410, 47390), (4739, 44100), (4900, 42651), (5145, 40620), (6093, 34300), (6174, 33850), (6300, 33173), (6770, 30870), (6860, 30465), (7350, 28434), (8124, 25725), (8575, 24372), (8820, 23695), (9478, 22050), (10155, 20580), (10290, 20310), (11025, 18956), (12186, 17150), (12348, 16925), (13540, 15435), (14217, 14700)]