139897280

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4507}}^1$

素因数の和:4621

約数の個数: 56

約数和(自身を含む): 336639408

約数和(自身を除く): 196742128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4507, 6208, 7760, 9014, 15520, 18028, 22535, 31040, 36056, 45070, 72112, 90140, 144224, 180280, 288448, 360560, 437179, 721120, 874358, 1442240, 1748716, 2185895, 3497432, 4371790, 6994864, 8743580, 13989728, 17487160, 27979456, 34974320, 69948640, 139897280]

約数ペア:

[(1, 139897280), (2, 69948640), (4, 34974320), (5, 27979456), (8, 17487160), (10, 13989728), (16, 8743580), (20, 6994864), (32, 4371790), (40, 3497432), (64, 2185895), (80, 1748716), (97, 1442240), (160, 874358), (194, 721120), (320, 437179), (388, 360560), (485, 288448), (776, 180280), (970, 144224), (1552, 90140), (1940, 72112), (3104, 45070), (3880, 36056), (4507, 31040), (6208, 22535), (7760, 18028), (9014, 15520)]