79270100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 219319296

約数和(自身を除く): 140049196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 281, 310, 325, 350, 364, 403, 434, 455, 562, 620, 650, 700, 775, 806, 868, 910, 1085, 1124, 1300, 1405, 1550, 1612, 1820, 1967, 2015, 2170, 2275, 2810, 2821, 3100, 3653, 3934, 4030, 4340, 4550, 5425, 5620, 5642, 7025, 7306, 7868, 8060, 8711, 9100, 9835, 10075, 10850, 11284, 14050, 14105, 14612, 17422, 18265, 19670, 20150, 21700, 25571, 28100, 28210, 34844, 36530, 39340, 40300, 43555, 49175, 51142, 56420, 60977, 70525, 73060, 87110, 91325, 98350, 102284, 113243, 121954, 127855, 141050, 174220, 182650, 196700, 217775, 226486, 243908, 255710, 282100, 304885, 365300, 435550, 452972, 511420, 566215, 609770, 639275, 792701, 871100, 1132430, 1219540, 1278550, 1524425, 1585402, 2264860, 2557100, 2831075, 3048850, 3170804, 3963505, 5662150, 6097700, 7927010, 11324300, 15854020, 19817525, 39635050, 79270100]

約数ペア:

[(1, 79270100), (2, 39635050), (4, 19817525), (5, 15854020), (7, 11324300), (10, 7927010), (13, 6097700), (14, 5662150), (20, 3963505), (25, 3170804), (26, 3048850), (28, 2831075), (31, 2557100), (35, 2264860), (50, 1585402), (52, 1524425), (62, 1278550), (65, 1219540), (70, 1132430), (91, 871100), (100, 792701), (124, 639275), (130, 609770), (140, 566215), (155, 511420), (175, 452972), (182, 435550), (217, 365300), (260, 304885), (281, 282100), (310, 255710), (325, 243908), (350, 226486), (364, 217775), (403, 196700), (434, 182650), (455, 174220), (562, 141050), (620, 127855), (650, 121954), (700, 113243), (775, 102284), (806, 98350), (868, 91325), (910, 87110), (1085, 73060), (1124, 70525), (1300, 60977), (1405, 56420), (1550, 51142), (1612, 49175), (1820, 43555), (1967, 40300), (2015, 39340), (2170, 36530), (2275, 34844), (2810, 28210), (2821, 28100), (3100, 25571), (3653, 21700), (3934, 20150), (4030, 19670), (4340, 18265), (4550, 17422), (5425, 14612), (5620, 14105), (5642, 14050), (7025, 11284), (7306, 10850), (7868, 10075), (8060, 9835), (8711, 9100)]