127864820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 301771008

約数和(自身を除く): 173906188

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 83, 85, 92, 115, 166, 170, 197, 230, 332, 340, 391, 394, 415, 460, 782, 788, 830, 985, 1411, 1564, 1660, 1909, 1955, 1970, 2822, 3349, 3818, 3910, 3940, 4531, 5644, 6698, 7055, 7636, 7820, 9062, 9545, 13396, 14110, 16351, 16745, 18124, 19090, 22655, 28220, 32453, 32702, 33490, 38180, 45310, 64906, 65404, 66980, 77027, 81755, 90620, 129812, 154054, 162265, 163510, 277967, 308108, 324530, 327020, 376073, 385135, 555934, 649060, 752146, 770270, 1111868, 1389835, 1504292, 1540540, 1880365, 2779670, 3760730, 5559340, 6393241, 7521460, 12786482, 25572964, 31966205, 63932410, 127864820]

約数ペア:

[(1, 127864820), (2, 63932410), (4, 31966205), (5, 25572964), (10, 12786482), (17, 7521460), (20, 6393241), (23, 5559340), (34, 3760730), (46, 2779670), (68, 1880365), (83, 1540540), (85, 1504292), (92, 1389835), (115, 1111868), (166, 770270), (170, 752146), (197, 649060), (230, 555934), (332, 385135), (340, 376073), (391, 327020), (394, 324530), (415, 308108), (460, 277967), (782, 163510), (788, 162265), (830, 154054), (985, 129812), (1411, 90620), (1564, 81755), (1660, 77027), (1909, 66980), (1955, 65404), (1970, 64906), (2822, 45310), (3349, 38180), (3818, 33490), (3910, 32702), (3940, 32453), (4531, 28220), (5644, 22655), (6698, 19090), (7055, 18124), (7636, 16745), (7820, 16351), (9062, 14110), (9545, 13396)]