72838940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 158118912

約数和(自身を除く): 85279972

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 257, 370, 383, 514, 740, 766, 1028, 1285, 1532, 1915, 2570, 3830, 5140, 7660, 9509, 14171, 19018, 28342, 38036, 47545, 56684, 70855, 95090, 98431, 141710, 190180, 196862, 283420, 393724, 492155, 984310, 1968620, 3641947, 7283894, 14567788, 18209735, 36419470, 72838940]

約数ペア:

[(1, 72838940), (2, 36419470), (4, 18209735), (5, 14567788), (10, 7283894), (20, 3641947), (37, 1968620), (74, 984310), (148, 492155), (185, 393724), (257, 283420), (370, 196862), (383, 190180), (514, 141710), (740, 98431), (766, 95090), (1028, 70855), (1285, 56684), (1532, 47545), (1915, 38036), (2570, 28342), (3830, 19018), (5140, 14171), (7660, 9509)]