28057820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11789}}^1$

素因数の和:11822

約数の個数: 48

約数和(自身を含む): 71305920

約数和(自身を除く): 43248100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11789, 23578, 47156, 58945, 82523, 117890, 165046, 200413, 235780, 330092, 400826, 412615, 801652, 825230, 1002065, 1402891, 1650460, 2004130, 2805782, 4008260, 5611564, 7014455, 14028910, 28057820]

約数ペア:

[(1, 28057820), (2, 14028910), (4, 7014455), (5, 5611564), (7, 4008260), (10, 2805782), (14, 2004130), (17, 1650460), (20, 1402891), (28, 1002065), (34, 825230), (35, 801652), (68, 412615), (70, 400826), (85, 330092), (119, 235780), (140, 200413), (170, 165046), (238, 117890), (340, 82523), (476, 58945), (595, 47156), (1190, 23578), (2380, 11789)]