28516254340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{913397}}^1$

素因数の和:913636

約数の個数: 48

約数和(自身を含む): 68745987072

約数和(自身を除く): 40229732732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 15610, 31220, 913397, 1826794, 3653588, 4566985, 6393779, 9133970, 12787558, 18267940, 25575116, 31968895, 63937790, 127875580, 203687531, 407375062, 814750124, 1018437655, 1425812717, 2036875310, 2851625434, 4073750620, 5703250868, 7129063585, 14258127170, 28516254340]

約数ペア:

[(1, 28516254340), (2, 14258127170), (4, 7129063585), (5, 5703250868), (7, 4073750620), (10, 2851625434), (14, 2036875310), (20, 1425812717), (28, 1018437655), (35, 814750124), (70, 407375062), (140, 203687531), (223, 127875580), (446, 63937790), (892, 31968895), (1115, 25575116), (1561, 18267940), (2230, 12787558), (3122, 9133970), (4460, 6393779), (6244, 4566985), (7805, 3653588), (15610, 1826794), (31220, 913397)]