1738478060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{72497}}^1$

素因数の和:72626

約数の個数: 48

約数和(自身を含む): 4019289120

約数和(自身を除く): 2280811060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 72497, 144994, 289988, 362485, 724970, 797467, 1449940, 1594934, 3189868, 3987335, 7902173, 7974670, 15804346, 15949340, 31608692, 39510865, 79021730, 86923903, 158043460, 173847806, 347695612, 434619515, 869239030, 1738478060]

約数ペア:

[(1, 1738478060), (2, 869239030), (4, 434619515), (5, 347695612), (10, 173847806), (11, 158043460), (20, 86923903), (22, 79021730), (44, 39510865), (55, 31608692), (109, 15949340), (110, 15804346), (218, 7974670), (220, 7902173), (436, 3987335), (545, 3189868), (1090, 1594934), (1199, 1449940), (2180, 797467), (2398, 724970), (4796, 362485), (5995, 289988), (11990, 144994), (23980, 72497)]