199356784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 442828800

約数和(自身を除く): 243472016

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 61, 62, 88, 122, 124, 176, 244, 248, 341, 488, 496, 599, 671, 682, 976, 1198, 1342, 1364, 1891, 2396, 2684, 2728, 3782, 4792, 5368, 5456, 6589, 7564, 9584, 10736, 13178, 15128, 18569, 20801, 26356, 30256, 36539, 37138, 41602, 52712, 73078, 74276, 83204, 105424, 146156, 148552, 166408, 204259, 292312, 297104, 332816, 401929, 408518, 584624, 803858, 817036, 1132709, 1607716, 1634072, 2265418, 3215432, 3268144, 4530836, 6430864, 9061672, 12459799, 18123344, 24919598, 49839196, 99678392, 199356784]

約数ペア:

[(1, 199356784), (2, 99678392), (4, 49839196), (8, 24919598), (11, 18123344), (16, 12459799), (22, 9061672), (31, 6430864), (44, 4530836), (61, 3268144), (62, 3215432), (88, 2265418), (122, 1634072), (124, 1607716), (176, 1132709), (244, 817036), (248, 803858), (341, 584624), (488, 408518), (496, 401929), (599, 332816), (671, 297104), (682, 292312), (976, 204259), (1198, 166408), (1342, 148552), (1364, 146156), (1891, 105424), (2396, 83204), (2684, 74276), (2728, 73078), (3782, 52712), (4792, 41602), (5368, 37138), (5456, 36539), (6589, 30256), (7564, 26356), (9584, 20801), (10736, 18569), (13178, 15128)]