208745550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2099}}^1$

素因数の和:2147

約数の個数: 144

約数和(自身を含む): 639802800

約数和(自身を除く): 431057250

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 130, 150, 153, 170, 195, 221, 225, 234, 255, 306, 325, 390, 425, 442, 450, 510, 585, 650, 663, 765, 850, 975, 1105, 1170, 1275, 1326, 1530, 1950, 1989, 2099, 2210, 2550, 2925, 3315, 3825, 3978, 4198, 5525, 5850, 6297, 6630, 7650, 9945, 10495, 11050, 12594, 16575, 18891, 19890, 20990, 27287, 31485, 33150, 35683, 37782, 49725, 52475, 54574, 62970, 71366, 81861, 94455, 99450, 104950, 107049, 136435, 157425, 163722, 178415, 188910, 214098, 245583, 272870, 314850, 321147, 356830, 409305, 463879, 472275, 491166, 535245, 642294, 682175, 818610, 892075, 927758, 944550, 1070490, 1227915, 1364350, 1391637, 1605735, 1784150, 2046525, 2319395, 2455830, 2676225, 2783274, 3211470, 4093050, 4174911, 4638790, 5352450, 6139575, 6958185, 8028675, 8349822, 11596975, 12279150, 13916370, 16057350, 20874555, 23193950, 34790925, 41749110, 69581850, 104372775, 208745550]

約数ペア:

[(1, 208745550), (2, 104372775), (3, 69581850), (5, 41749110), (6, 34790925), (9, 23193950), (10, 20874555), (13, 16057350), (15, 13916370), (17, 12279150), (18, 11596975), (25, 8349822), (26, 8028675), (30, 6958185), (34, 6139575), (39, 5352450), (45, 4638790), (50, 4174911), (51, 4093050), (65, 3211470), (75, 2783274), (78, 2676225), (85, 2455830), (90, 2319395), (102, 2046525), (117, 1784150), (130, 1605735), (150, 1391637), (153, 1364350), (170, 1227915), (195, 1070490), (221, 944550), (225, 927758), (234, 892075), (255, 818610), (306, 682175), (325, 642294), (390, 535245), (425, 491166), (442, 472275), (450, 463879), (510, 409305), (585, 356830), (650, 321147), (663, 314850), (765, 272870), (850, 245583), (975, 214098), (1105, 188910), (1170, 178415), (1275, 163722), (1326, 157425), (1530, 136435), (1950, 107049), (1989, 104950), (2099, 99450), (2210, 94455), (2550, 81861), (2925, 71366), (3315, 62970), (3825, 54574), (3978, 52475), (4198, 49725), (5525, 37782), (5850, 35683), (6297, 33150), (6630, 31485), (7650, 27287), (9945, 20990), (10495, 19890), (11050, 18891), (12594, 16575)]