198221660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15559}}^1$

素因数の和:15595

約数の個数: 72

約数和(自身を含む): 521508960

約数和(自身を除く): 323287300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 15559, 31118, 62236, 77795, 108913, 155590, 202267, 217826, 311180, 404534, 435652, 544565, 762391, 809068, 1011335, 1089130, 1415869, 1524782, 2022670, 2178260, 2831738, 3049564, 3811955, 4045340, 5663476, 7079345, 7623910, 9911083, 14158690, 15247820, 19822166, 28317380, 39644332, 49555415, 99110830, 198221660]

約数ペア:

[(1, 198221660), (2, 99110830), (4, 49555415), (5, 39644332), (7, 28317380), (10, 19822166), (13, 15247820), (14, 14158690), (20, 9911083), (26, 7623910), (28, 7079345), (35, 5663476), (49, 4045340), (52, 3811955), (65, 3049564), (70, 2831738), (91, 2178260), (98, 2022670), (130, 1524782), (140, 1415869), (182, 1089130), (196, 1011335), (245, 809068), (260, 762391), (364, 544565), (455, 435652), (490, 404534), (637, 311180), (910, 217826), (980, 202267), (1274, 155590), (1820, 108913), (2548, 77795), (3185, 62236), (6370, 31118), (12740, 15559)]