213437298520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1\times {\mathrm{73327}}^1$

素因数の和:74764

約数の個数: 64

約数和(自身を含む): 489657985920

約数和(自身を除く): 276220687400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1373, 2120, 2746, 5492, 6865, 10984, 13730, 27460, 54920, 72769, 73327, 145538, 146654, 291076, 293308, 363845, 366635, 582152, 586616, 727690, 733270, 1455380, 1466540, 2910760, 2933080, 3886331, 7772662, 15545324, 19431655, 31090648, 38863310, 77726620, 100677971, 155453240, 201355942, 402711884, 503389855, 805423768, 1006779710, 2013559420, 4027118840, 5335932463, 10671864926, 21343729852, 26679662315, 42687459704, 53359324630, 106718649260, 213437298520]

約数ペア:

[(1, 213437298520), (2, 106718649260), (4, 53359324630), (5, 42687459704), (8, 26679662315), (10, 21343729852), (20, 10671864926), (40, 5335932463), (53, 4027118840), (106, 2013559420), (212, 1006779710), (265, 805423768), (424, 503389855), (530, 402711884), (1060, 201355942), (1373, 155453240), (2120, 100677971), (2746, 77726620), (5492, 38863310), (6865, 31090648), (10984, 19431655), (13730, 15545324), (27460, 7772662), (54920, 3886331), (72769, 2933080), (73327, 2910760), (145538, 1466540), (146654, 1455380), (291076, 733270), (293308, 727690), (363845, 586616), (366635, 582152)]