1276990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 2903040

約数和(自身を除く): 1626050

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 47, 55, 65, 94, 95, 110, 130, 143, 190, 209, 235, 247, 286, 418, 470, 494, 517, 611, 715, 893, 1034, 1045, 1222, 1235, 1430, 1786, 2090, 2470, 2585, 2717, 3055, 4465, 5170, 5434, 6110, 6721, 8930, 9823, 11609, 13442, 13585, 19646, 23218, 27170, 33605, 49115, 58045, 67210, 98230, 116090, 127699, 255398, 638495, 1276990]

約数ペア:

[(1, 1276990), (2, 638495), (5, 255398), (10, 127699), (11, 116090), (13, 98230), (19, 67210), (22, 58045), (26, 49115), (38, 33605), (47, 27170), (55, 23218), (65, 19646), (94, 13585), (95, 13442), (110, 11609), (130, 9823), (143, 8930), (190, 6721), (209, 6110), (235, 5434), (247, 5170), (286, 4465), (418, 3055), (470, 2717), (494, 2585), (517, 2470), (611, 2090), (715, 1786), (893, 1430), (1034, 1235), (1045, 1222)]