164558900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 391954080

約数和(自身を除く): 227395180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 211, 220, 275, 422, 550, 709, 844, 1055, 1100, 1418, 2110, 2321, 2836, 3545, 4220, 4642, 5275, 7090, 7799, 9284, 10550, 11605, 14180, 15598, 17725, 21100, 23210, 31196, 35450, 38995, 46420, 58025, 70900, 77990, 116050, 149599, 155980, 194975, 232100, 299198, 389950, 598396, 747995, 779900, 1495990, 1645589, 2991980, 3291178, 3739975, 6582356, 7479950, 8227945, 14959900, 16455890, 32911780, 41139725, 82279450, 164558900]

約数ペア:

[(1, 164558900), (2, 82279450), (4, 41139725), (5, 32911780), (10, 16455890), (11, 14959900), (20, 8227945), (22, 7479950), (25, 6582356), (44, 3739975), (50, 3291178), (55, 2991980), (100, 1645589), (110, 1495990), (211, 779900), (220, 747995), (275, 598396), (422, 389950), (550, 299198), (709, 232100), (844, 194975), (1055, 155980), (1100, 149599), (1418, 116050), (2110, 77990), (2321, 70900), (2836, 58025), (3545, 46420), (4220, 38995), (4642, 35450), (5275, 31196), (7090, 23210), (7799, 21100), (9284, 17725), (10550, 15598), (11605, 14180)]