28949920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 44533280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 107, 152, 160, 178, 190, 214, 304, 356, 380, 428, 445, 535, 608, 712, 760, 856, 890, 1070, 1424, 1520, 1691, 1712, 1780, 2033, 2140, 2848, 3040, 3382, 3424, 3560, 4066, 4280, 6764, 7120, 8132, 8455, 8560, 9523, 10165, 13528, 14240, 16264, 16910, 17120, 19046, 20330, 27056, 32528, 33820, 38092, 40660, 47615, 54112, 65056, 67640, 76184, 81320, 95230, 135280, 152368, 162640, 180937, 190460, 270560, 304736, 325280, 361874, 380920, 723748, 761840, 904685, 1447496, 1523680, 1809370, 2894992, 3618740, 5789984, 7237480, 14474960, 28949920]

約数ペア:

[(1, 28949920), (2, 14474960), (4, 7237480), (5, 5789984), (8, 3618740), (10, 2894992), (16, 1809370), (19, 1523680), (20, 1447496), (32, 904685), (38, 761840), (40, 723748), (76, 380920), (80, 361874), (89, 325280), (95, 304736), (107, 270560), (152, 190460), (160, 180937), (178, 162640), (190, 152368), (214, 135280), (304, 95230), (356, 81320), (380, 76184), (428, 67640), (445, 65056), (535, 54112), (608, 47615), (712, 40660), (760, 38092), (856, 33820), (890, 32528), (1070, 27056), (1424, 20330), (1520, 19046), (1691, 17120), (1712, 16910), (1780, 16264), (2033, 14240), (2140, 13528), (2848, 10165), (3040, 9523), (3382, 8560), (3424, 8455), (3560, 8132), (4066, 7120), (4280, 6764)]