197107900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9431}}^1$

素因数の和:9475

約数の個数: 72

約数和(自身を含む): 491218560

約数和(自身を除く): 294110660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 9431, 10450, 18862, 20900, 37724, 47155, 94310, 103741, 179189, 188620, 207482, 235775, 358378, 414964, 471550, 518705, 716756, 895945, 943100, 1037410, 1791890, 1971079, 2074820, 2593525, 3583780, 3942158, 4479725, 5187050, 7884316, 8959450, 9855395, 10374100, 17918900, 19710790, 39421580, 49276975, 98553950, 197107900]

約数ペア:

[(1, 197107900), (2, 98553950), (4, 49276975), (5, 39421580), (10, 19710790), (11, 17918900), (19, 10374100), (20, 9855395), (22, 8959450), (25, 7884316), (38, 5187050), (44, 4479725), (50, 3942158), (55, 3583780), (76, 2593525), (95, 2074820), (100, 1971079), (110, 1791890), (190, 1037410), (209, 943100), (220, 895945), (275, 716756), (380, 518705), (418, 471550), (475, 414964), (550, 358378), (836, 235775), (950, 207482), (1045, 188620), (1100, 179189), (1900, 103741), (2090, 94310), (4180, 47155), (5225, 37724), (9431, 20900), (10450, 18862)]