208754900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 528716160

約数和(自身を除く): 319961260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 25, 34, 38, 46, 50, 68, 76, 85, 92, 95, 100, 115, 170, 190, 230, 281, 323, 340, 380, 391, 425, 437, 460, 475, 562, 575, 646, 782, 850, 874, 950, 1124, 1150, 1292, 1405, 1564, 1615, 1700, 1748, 1900, 1955, 2185, 2300, 2810, 3230, 3910, 4370, 4777, 5339, 5620, 6460, 6463, 7025, 7429, 7820, 8075, 8740, 9554, 9775, 10678, 10925, 12926, 14050, 14858, 16150, 19108, 19550, 21356, 21850, 23885, 25852, 26695, 28100, 29716, 32300, 32315, 37145, 39100, 43700, 47770, 53390, 64630, 74290, 90763, 95540, 106780, 109871, 119425, 122797, 129260, 133475, 148580, 161575, 181526, 185725, 219742, 238850, 245594, 266950, 323150, 363052, 371450, 439484, 453815, 477700, 491188, 533900, 549355, 613985, 646300, 742900, 907630, 1098710, 1227970, 1815260, 2087549, 2197420, 2269075, 2455940, 2746775, 3069925, 4175098, 4538150, 5493550, 6139850, 8350196, 9076300, 10437745, 10987100, 12279700, 20875490, 41750980, 52188725, 104377450, 208754900]

約数ペア:

[(1, 208754900), (2, 104377450), (4, 52188725), (5, 41750980), (10, 20875490), (17, 12279700), (19, 10987100), (20, 10437745), (23, 9076300), (25, 8350196), (34, 6139850), (38, 5493550), (46, 4538150), (50, 4175098), (68, 3069925), (76, 2746775), (85, 2455940), (92, 2269075), (95, 2197420), (100, 2087549), (115, 1815260), (170, 1227970), (190, 1098710), (230, 907630), (281, 742900), (323, 646300), (340, 613985), (380, 549355), (391, 533900), (425, 491188), (437, 477700), (460, 453815), (475, 439484), (562, 371450), (575, 363052), (646, 323150), (782, 266950), (850, 245594), (874, 238850), (950, 219742), (1124, 185725), (1150, 181526), (1292, 161575), (1405, 148580), (1564, 133475), (1615, 129260), (1700, 122797), (1748, 119425), (1900, 109871), (1955, 106780), (2185, 95540), (2300, 90763), (2810, 74290), (3230, 64630), (3910, 53390), (4370, 47770), (4777, 43700), (5339, 39100), (5620, 37145), (6460, 32315), (6463, 32300), (7025, 29716), (7429, 28100), (7820, 26695), (8075, 25852), (8740, 23885), (9554, 21850), (9775, 21356), (10678, 19550), (10925, 19108), (12926, 16150), (14050, 14858)]