1296751900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{2153}}^1$

素因数の和:2503

約数の個数: 72

約数和(自身を含む): 2972778480

約数和(自身を除く): 1676026580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 317, 380, 475, 634, 950, 1268, 1585, 1900, 2153, 3170, 4306, 6023, 6340, 7925, 8612, 10765, 12046, 15850, 21530, 24092, 30115, 31700, 40907, 43060, 53825, 60230, 81814, 107650, 120460, 150575, 163628, 204535, 215300, 301150, 409070, 602300, 682501, 818140, 1022675, 1365002, 2045350, 2730004, 3412505, 4090700, 6825010, 12967519, 13650020, 17062525, 25935038, 34125050, 51870076, 64837595, 68250100, 129675190, 259350380, 324187975, 648375950, 1296751900]

約数ペア:

[(1, 1296751900), (2, 648375950), (4, 324187975), (5, 259350380), (10, 129675190), (19, 68250100), (20, 64837595), (25, 51870076), (38, 34125050), (50, 25935038), (76, 17062525), (95, 13650020), (100, 12967519), (190, 6825010), (317, 4090700), (380, 3412505), (475, 2730004), (634, 2045350), (950, 1365002), (1268, 1022675), (1585, 818140), (1900, 682501), (2153, 602300), (3170, 409070), (4306, 301150), (6023, 215300), (6340, 204535), (7925, 163628), (8612, 150575), (10765, 120460), (12046, 107650), (15850, 81814), (21530, 60230), (24092, 53825), (30115, 43060), (31700, 40907)]