205422148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 390297600

約数和(自身を除く): 184875452

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 131, 188, 262, 439, 524, 878, 893, 1756, 1786, 2489, 3572, 4978, 6157, 8341, 9956, 12314, 16682, 20633, 24628, 33364, 41266, 57509, 82532, 115018, 116983, 230036, 233966, 392027, 467932, 784054, 1092671, 1568108, 2185342, 2702923, 4370684, 5405846, 10811692, 51355537, 102711074, 205422148]

約数ペア:

[(1, 205422148), (2, 102711074), (4, 51355537), (19, 10811692), (38, 5405846), (47, 4370684), (76, 2702923), (94, 2185342), (131, 1568108), (188, 1092671), (262, 784054), (439, 467932), (524, 392027), (878, 233966), (893, 230036), (1756, 116983), (1786, 115018), (2489, 82532), (3572, 57509), (4978, 41266), (6157, 33364), (8341, 24628), (9956, 20633), (12314, 16682)]