72321890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 136359936

約数和(自身を除く): 64038046

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 383, 766, 821, 1642, 1915, 3830, 4105, 8210, 8809, 17618, 18883, 37766, 44045, 88090, 94415, 188830, 314443, 628886, 1572215, 3144430, 7232189, 14464378, 36160945, 72321890]

約数ペア:

[(1, 72321890), (2, 36160945), (5, 14464378), (10, 7232189), (23, 3144430), (46, 1572215), (115, 628886), (230, 314443), (383, 188830), (766, 94415), (821, 88090), (1642, 44045), (1915, 37766), (3830, 18883), (4105, 17618), (8210, 8809)]