78353990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 167227200

約数和(自身を除く): 88873210

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 157, 286, 314, 349, 698, 715, 785, 1430, 1570, 1727, 1745, 2041, 3454, 3490, 3839, 4082, 4537, 7678, 8635, 9074, 10205, 17270, 19195, 20410, 22451, 22685, 38390, 44902, 45370, 49907, 54793, 99814, 109586, 112255, 224510, 249535, 273965, 499070, 547930, 602723, 712309, 1205446, 1424618, 3013615, 3561545, 6027230, 7123090, 7835399, 15670798, 39176995, 78353990]

約数ペア:

[(1, 78353990), (2, 39176995), (5, 15670798), (10, 7835399), (11, 7123090), (13, 6027230), (22, 3561545), (26, 3013615), (55, 1424618), (65, 1205446), (110, 712309), (130, 602723), (143, 547930), (157, 499070), (286, 273965), (314, 249535), (349, 224510), (698, 112255), (715, 109586), (785, 99814), (1430, 54793), (1570, 49907), (1727, 45370), (1745, 44902), (2041, 38390), (3454, 22685), (3490, 22451), (3839, 20410), (4082, 19195), (4537, 17270), (7678, 10205), (8635, 9074)]