279255440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112603}}^1$

素因数の和:112647

約数の個数: 40

約数和(自身を含む): 670219008

約数和(自身を除く): 390963568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 112603, 225206, 450412, 563015, 900824, 1126030, 1801648, 2252060, 3490693, 4504120, 6981386, 9008240, 13962772, 17453465, 27925544, 34906930, 55851088, 69813860, 139627720, 279255440]

約数ペア:

[(1, 279255440), (2, 139627720), (4, 69813860), (5, 55851088), (8, 34906930), (10, 27925544), (16, 17453465), (20, 13962772), (31, 9008240), (40, 6981386), (62, 4504120), (80, 3490693), (124, 2252060), (155, 1801648), (248, 1126030), (310, 900824), (496, 563015), (620, 450412), (1240, 225206), (2480, 112603)]