90255830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 193933440

約数和(自身を除く): 103677610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 173, 203, 257, 290, 346, 406, 514, 865, 1015, 1211, 1285, 1730, 1799, 2030, 2422, 2570, 3598, 5017, 6055, 7453, 8995, 10034, 12110, 14906, 17990, 25085, 35119, 37265, 44461, 50170, 52171, 70238, 74530, 88922, 104342, 175595, 222305, 260855, 311227, 351190, 444610, 521710, 622454, 1289369, 1556135, 2578738, 3112270, 6446845, 9025583, 12893690, 18051166, 45127915, 90255830]

約数ペア:

[(1, 90255830), (2, 45127915), (5, 18051166), (7, 12893690), (10, 9025583), (14, 6446845), (29, 3112270), (35, 2578738), (58, 1556135), (70, 1289369), (145, 622454), (173, 521710), (203, 444610), (257, 351190), (290, 311227), (346, 260855), (406, 222305), (514, 175595), (865, 104342), (1015, 88922), (1211, 74530), (1285, 70238), (1730, 52171), (1799, 50170), (2030, 44461), (2422, 37265), (2570, 35119), (3598, 25085), (5017, 17990), (6055, 14906), (7453, 12110), (8995, 10034)]