28793360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 60

約数和(自身を含む): 70724268

約数和(自身を除く): 41930908

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 997, 1444, 1520, 1805, 1994, 2888, 3610, 3988, 4985, 5776, 7220, 7976, 9970, 14440, 15952, 18943, 19940, 28880, 37886, 39880, 75772, 79760, 94715, 151544, 189430, 303088, 359917, 378860, 719834, 757720, 1439668, 1515440, 1799585, 2879336, 3599170, 5758672, 7198340, 14396680, 28793360]

約数ペア:

[(1, 28793360), (2, 14396680), (4, 7198340), (5, 5758672), (8, 3599170), (10, 2879336), (16, 1799585), (19, 1515440), (20, 1439668), (38, 757720), (40, 719834), (76, 378860), (80, 359917), (95, 303088), (152, 189430), (190, 151544), (304, 94715), (361, 79760), (380, 75772), (722, 39880), (760, 37886), (997, 28880), (1444, 19940), (1520, 18943), (1805, 15952), (1994, 14440), (2888, 9970), (3610, 7976), (3988, 7220), (4985, 5776)]