279407030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 596643840

約数和(自身を除く): 317236810

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 331, 389, 434, 662, 778, 1085, 1655, 1945, 2170, 2317, 2723, 3310, 3890, 4634, 5446, 10261, 11585, 12059, 13615, 20522, 23170, 24118, 27230, 51305, 60295, 71827, 84413, 102610, 120590, 128759, 143654, 168826, 257518, 359135, 422065, 643795, 718270, 844130, 901313, 1287590, 1802626, 3991529, 4506565, 7983058, 9013130, 19957645, 27940703, 39915290, 55881406, 139703515, 279407030]

約数ペア:

[(1, 279407030), (2, 139703515), (5, 55881406), (7, 39915290), (10, 27940703), (14, 19957645), (31, 9013130), (35, 7983058), (62, 4506565), (70, 3991529), (155, 1802626), (217, 1287590), (310, 901313), (331, 844130), (389, 718270), (434, 643795), (662, 422065), (778, 359135), (1085, 257518), (1655, 168826), (1945, 143654), (2170, 128759), (2317, 120590), (2723, 102610), (3310, 84413), (3890, 71827), (4634, 60295), (5446, 51305), (10261, 27230), (11585, 24118), (12059, 23170), (13615, 20522)]