72899540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2909}}^1$

素因数の和:3104

約数の個数: 48

約数和(自身を含む): 175996800

約数和(自身を除く): 103097260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 2909, 3580, 5012, 5818, 6265, 11636, 12530, 14545, 20363, 25060, 29090, 40726, 58180, 81452, 101815, 203630, 407260, 520711, 1041422, 2082844, 2603555, 3644977, 5207110, 7289954, 10414220, 14579908, 18224885, 36449770, 72899540]

約数ペア:

[(1, 72899540), (2, 36449770), (4, 18224885), (5, 14579908), (7, 10414220), (10, 7289954), (14, 5207110), (20, 3644977), (28, 2603555), (35, 2082844), (70, 1041422), (140, 520711), (179, 407260), (358, 203630), (716, 101815), (895, 81452), (1253, 58180), (1790, 40726), (2506, 29090), (2909, 25060), (3580, 20363), (5012, 14545), (5818, 12530), (6265, 11636)]