278316610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 621831168

約数和(自身を除く): 343514558

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 47, 55, 65, 82, 94, 101, 110, 130, 143, 202, 205, 235, 286, 410, 451, 470, 505, 517, 533, 611, 715, 902, 1010, 1034, 1066, 1111, 1222, 1313, 1430, 1927, 2222, 2255, 2585, 2626, 2665, 3055, 3854, 4141, 4510, 4747, 5170, 5330, 5555, 5863, 6110, 6565, 6721, 8282, 9494, 9635, 11110, 11726, 13130, 13442, 14443, 19270, 20705, 21197, 23735, 25051, 28886, 29315, 33605, 41410, 42394, 45551, 47470, 50102, 52217, 53833, 58630, 61711, 67210, 72215, 91102, 104434, 105985, 107666, 123422, 125255, 144430, 194627, 211970, 227755, 250510, 261085, 269165, 275561, 308555, 389254, 455510, 522170, 538330, 551122, 592163, 617110, 678821, 973135, 1184326, 1357642, 1377805, 1946270, 2140897, 2530151, 2755610, 2960815, 3394105, 4281794, 5060302, 5921630, 6788210, 10704485, 12650755, 21408970, 25301510, 27831661, 55663322, 139158305, 278316610]

約数ペア:

[(1, 278316610), (2, 139158305), (5, 55663322), (10, 27831661), (11, 25301510), (13, 21408970), (22, 12650755), (26, 10704485), (41, 6788210), (47, 5921630), (55, 5060302), (65, 4281794), (82, 3394105), (94, 2960815), (101, 2755610), (110, 2530151), (130, 2140897), (143, 1946270), (202, 1377805), (205, 1357642), (235, 1184326), (286, 973135), (410, 678821), (451, 617110), (470, 592163), (505, 551122), (517, 538330), (533, 522170), (611, 455510), (715, 389254), (902, 308555), (1010, 275561), (1034, 269165), (1066, 261085), (1111, 250510), (1222, 227755), (1313, 211970), (1430, 194627), (1927, 144430), (2222, 125255), (2255, 123422), (2585, 107666), (2626, 105985), (2665, 104434), (3055, 91102), (3854, 72215), (4141, 67210), (4510, 61711), (4747, 58630), (5170, 53833), (5330, 52217), (5555, 50102), (5863, 47470), (6110, 45551), (6565, 42394), (6721, 41410), (8282, 33605), (9494, 29315), (9635, 28886), (11110, 25051), (11726, 23735), (13130, 21197), (13442, 20705), (14443, 19270)]