287363180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 679408128

約数和(自身を除く): 392044948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 101, 124, 130, 155, 202, 260, 310, 353, 403, 404, 505, 620, 706, 806, 1010, 1313, 1412, 1612, 1765, 2015, 2020, 2626, 3131, 3530, 4030, 4589, 5252, 6262, 6565, 7060, 8060, 9178, 10943, 12524, 13130, 15655, 18356, 21886, 22945, 26260, 31310, 35653, 40703, 43772, 45890, 54715, 62620, 71306, 81406, 91780, 109430, 142259, 142612, 162812, 178265, 203515, 218860, 284518, 356530, 407030, 463489, 569036, 711295, 713060, 814060, 926978, 1105243, 1422590, 1853956, 2210486, 2317445, 2845180, 4420972, 4634890, 5526215, 9269780, 11052430, 14368159, 22104860, 28736318, 57472636, 71840795, 143681590, 287363180]

約数ペア:

[(1, 287363180), (2, 143681590), (4, 71840795), (5, 57472636), (10, 28736318), (13, 22104860), (20, 14368159), (26, 11052430), (31, 9269780), (52, 5526215), (62, 4634890), (65, 4420972), (101, 2845180), (124, 2317445), (130, 2210486), (155, 1853956), (202, 1422590), (260, 1105243), (310, 926978), (353, 814060), (403, 713060), (404, 711295), (505, 569036), (620, 463489), (706, 407030), (806, 356530), (1010, 284518), (1313, 218860), (1412, 203515), (1612, 178265), (1765, 162812), (2015, 142612), (2020, 142259), (2626, 109430), (3131, 91780), (3530, 81406), (4030, 71306), (4589, 62620), (5252, 54715), (6262, 45890), (6565, 43772), (7060, 40703), (8060, 35653), (9178, 31310), (10943, 26260), (12524, 22945), (13130, 21886), (15655, 18356)]