279724300

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^2\times {\mathrm{163}}^1$

素因数の和:439

約数の個数: 54

約数和(自身を含む): 615423284

約数和(自身を除く): 335698984

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 163, 262, 326, 524, 652, 655, 815, 1310, 1630, 2620, 3260, 3275, 4075, 6550, 8150, 13100, 16300, 17161, 21353, 34322, 42706, 68644, 85412, 85805, 106765, 171610, 213530, 343220, 427060, 429025, 533825, 858050, 1067650, 1716100, 2135300, 2797243, 5594486, 11188972, 13986215, 27972430, 55944860, 69931075, 139862150, 279724300]

約数ペア:

[(1, 279724300), (2, 139862150), (4, 69931075), (5, 55944860), (10, 27972430), (20, 13986215), (25, 11188972), (50, 5594486), (100, 2797243), (131, 2135300), (163, 1716100), (262, 1067650), (326, 858050), (524, 533825), (652, 429025), (655, 427060), (815, 343220), (1310, 213530), (1630, 171610), (2620, 106765), (3260, 85805), (3275, 85412), (4075, 68644), (6550, 42706), (8150, 34322), (13100, 21353), (16300, 17161)]