207900990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1175

約数の個数: 144

約数和(自身を含む): 629660304

約数和(自身を除く): 421759314

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 121, 153, 165, 170, 187, 198, 242, 255, 306, 330, 363, 374, 495, 510, 561, 605, 726, 765, 935, 990, 1089, 1122, 1123, 1210, 1530, 1683, 1815, 1870, 2057, 2178, 2246, 2805, 3366, 3369, 3630, 4114, 5445, 5610, 5615, 6171, 6738, 8415, 10107, 10285, 10890, 11230, 12342, 12353, 16830, 16845, 18513, 19091, 20214, 20570, 24706, 30855, 33690, 37026, 37059, 38182, 50535, 57273, 61710, 61765, 74118, 92565, 95455, 101070, 111177, 114546, 123530, 135883, 171819, 185130, 185295, 190910, 210001, 222354, 271766, 286365, 343638, 370590, 407649, 420002, 555885, 572730, 630003, 679415, 815298, 859095, 1050005, 1111770, 1222947, 1260006, 1358830, 1718190, 1890009, 2038245, 2100010, 2310011, 2445894, 3150015, 3780018, 4076490, 4620022, 6114735, 6300030, 6930033, 9450045, 11550055, 12229470, 13860066, 18900090, 20790099, 23100110, 34650165, 41580198, 69300330, 103950495, 207900990]

約数ペア:

[(1, 207900990), (2, 103950495), (3, 69300330), (5, 41580198), (6, 34650165), (9, 23100110), (10, 20790099), (11, 18900090), (15, 13860066), (17, 12229470), (18, 11550055), (22, 9450045), (30, 6930033), (33, 6300030), (34, 6114735), (45, 4620022), (51, 4076490), (55, 3780018), (66, 3150015), (85, 2445894), (90, 2310011), (99, 2100010), (102, 2038245), (110, 1890009), (121, 1718190), (153, 1358830), (165, 1260006), (170, 1222947), (187, 1111770), (198, 1050005), (242, 859095), (255, 815298), (306, 679415), (330, 630003), (363, 572730), (374, 555885), (495, 420002), (510, 407649), (561, 370590), (605, 343638), (726, 286365), (765, 271766), (935, 222354), (990, 210001), (1089, 190910), (1122, 185295), (1123, 185130), (1210, 171819), (1530, 135883), (1683, 123530), (1815, 114546), (1870, 111177), (2057, 101070), (2178, 95455), (2246, 92565), (2805, 74118), (3366, 61765), (3369, 61710), (3630, 57273), (4114, 50535), (5445, 38182), (5610, 37059), (5615, 37026), (6171, 33690), (6738, 30855), (8415, 24706), (10107, 20570), (10285, 20214), (10890, 19091), (11230, 18513), (12342, 16845), (12353, 16830)]