208698840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11831}}^1$

素因数の和:11862

約数の個数: 144

約数和(自身を含む): 789076080

約数和(自身を除く): 580377240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11831, 17640, 23662, 35493, 47324, 59155, 70986, 82817, 94648, 106479, 118310, 141972, 165634, 177465, 212958, 236620, 248451, 283944, 331268, 354930, 414085, 425916, 473240, 496902, 532395, 579719, 662536, 709860, 745353, 828170, 851832, 993804, 1064790, 1159438, 1242255, 1419720, 1490706, 1656340, 1739157, 1987608, 2129580, 2318876, 2484510, 2898595, 2981412, 3312680, 3478314, 3726765, 4259160, 4637752, 4969020, 5217471, 5797190, 5962824, 6956628, 7453530, 8695785, 9938040, 10434942, 11594380, 13913256, 14907060, 17391570, 20869884, 23188760, 26087355, 29814120, 34783140, 41739768, 52174710, 69566280, 104349420, 208698840]

約数ペア:

[(1, 208698840), (2, 104349420), (3, 69566280), (4, 52174710), (5, 41739768), (6, 34783140), (7, 29814120), (8, 26087355), (9, 23188760), (10, 20869884), (12, 17391570), (14, 14907060), (15, 13913256), (18, 11594380), (20, 10434942), (21, 9938040), (24, 8695785), (28, 7453530), (30, 6956628), (35, 5962824), (36, 5797190), (40, 5217471), (42, 4969020), (45, 4637752), (49, 4259160), (56, 3726765), (60, 3478314), (63, 3312680), (70, 2981412), (72, 2898595), (84, 2484510), (90, 2318876), (98, 2129580), (105, 1987608), (120, 1739157), (126, 1656340), (140, 1490706), (147, 1419720), (168, 1242255), (180, 1159438), (196, 1064790), (210, 993804), (245, 851832), (252, 828170), (280, 745353), (294, 709860), (315, 662536), (360, 579719), (392, 532395), (420, 496902), (441, 473240), (490, 425916), (504, 414085), (588, 354930), (630, 331268), (735, 283944), (840, 248451), (882, 236620), (980, 212958), (1176, 177465), (1260, 165634), (1470, 141972), (1764, 118310), (1960, 106479), (2205, 94648), (2520, 82817), (2940, 70986), (3528, 59155), (4410, 47324), (5880, 35493), (8820, 23662), (11831, 17640)]