783121100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1181}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 1795458000

約数和(自身を除く): 1012336900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 349, 380, 475, 698, 950, 1181, 1396, 1745, 1900, 2362, 3490, 4724, 5905, 6631, 6980, 8725, 11810, 13262, 17450, 22439, 23620, 26524, 29525, 33155, 34900, 44878, 59050, 66310, 89756, 112195, 118100, 132620, 165775, 224390, 331550, 412169, 448780, 560975, 663100, 824338, 1121950, 1648676, 2060845, 2243900, 4121690, 7831211, 8243380, 10304225, 15662422, 20608450, 31324844, 39156055, 41216900, 78312110, 156624220, 195780275, 391560550, 783121100]

約数ペア:

[(1, 783121100), (2, 391560550), (4, 195780275), (5, 156624220), (10, 78312110), (19, 41216900), (20, 39156055), (25, 31324844), (38, 20608450), (50, 15662422), (76, 10304225), (95, 8243380), (100, 7831211), (190, 4121690), (349, 2243900), (380, 2060845), (475, 1648676), (698, 1121950), (950, 824338), (1181, 663100), (1396, 560975), (1745, 448780), (1900, 412169), (2362, 331550), (3490, 224390), (4724, 165775), (5905, 132620), (6631, 118100), (6980, 112195), (8725, 89756), (11810, 66310), (13262, 59050), (17450, 44878), (22439, 34900), (23620, 33155), (26524, 29525)]