30457420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31079}}^1$

素因数の和:31102

約数の個数: 36

約数和(自身を含む): 74405520

約数和(自身を除く): 43948100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31079, 62158, 124316, 155395, 217553, 310790, 435106, 621580, 870212, 1087765, 1522871, 2175530, 3045742, 4351060, 6091484, 7614355, 15228710, 30457420]

約数ペア:

[(1, 30457420), (2, 15228710), (4, 7614355), (5, 6091484), (7, 4351060), (10, 3045742), (14, 2175530), (20, 1522871), (28, 1087765), (35, 870212), (49, 621580), (70, 435106), (98, 310790), (140, 217553), (196, 155395), (245, 124316), (490, 62158), (980, 31079)]