21787137050

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{67}}^2\times {\mathrm{283}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 48143793600

約数和(自身を除く): 26356656550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 67, 70, 98, 134, 175, 245, 283, 335, 343, 350, 469, 490, 566, 670, 686, 938, 1225, 1415, 1675, 1715, 1981, 2345, 2450, 2830, 3283, 3350, 3430, 3962, 4489, 4690, 6566, 7075, 8575, 8978, 9905, 11725, 13867, 14150, 16415, 17150, 18961, 19810, 22445, 22981, 23450, 27734, 31423, 32830, 37922, 44890, 45962, 49525, 62846, 69335, 82075, 94805, 97069, 99050, 112225, 114905, 132727, 138670, 157115, 164150, 189610, 194138, 219961, 224450, 229810, 265454, 314230, 346675, 439922, 474025, 485345, 574525, 663635, 693350, 785575, 929089, 948050, 970690, 1099805, 1149050, 1270387, 1327270, 1539727, 1571150, 1858178, 2199610, 2426725, 2540774, 3079454, 3318175, 4645445, 4853450, 5499025, 6351935, 6503623, 6636350, 7698635, 8892709, 9290890, 10998050, 12703870, 13007246, 15397270, 17785418, 23227225, 31759675, 32518115, 38493175, 44463545, 46454450, 62248963, 63519350, 65036230, 76986350, 88927090, 124497926, 162590575, 222317725, 311244815, 325181150, 435742741, 444635450, 622489630, 871485482, 1556224075, 2178713705, 3112448150, 4357427410, 10893568525, 21787137050]

約数ペア:

[(1, 21787137050), (2, 10893568525), (5, 4357427410), (7, 3112448150), (10, 2178713705), (14, 1556224075), (25, 871485482), (35, 622489630), (49, 444635450), (50, 435742741), (67, 325181150), (70, 311244815), (98, 222317725), (134, 162590575), (175, 124497926), (245, 88927090), (283, 76986350), (335, 65036230), (343, 63519350), (350, 62248963), (469, 46454450), (490, 44463545), (566, 38493175), (670, 32518115), (686, 31759675), (938, 23227225), (1225, 17785418), (1415, 15397270), (1675, 13007246), (1715, 12703870), (1981, 10998050), (2345, 9290890), (2450, 8892709), (2830, 7698635), (3283, 6636350), (3350, 6503623), (3430, 6351935), (3962, 5499025), (4489, 4853450), (4690, 4645445), (6566, 3318175), (7075, 3079454), (8575, 2540774), (8978, 2426725), (9905, 2199610), (11725, 1858178), (13867, 1571150), (14150, 1539727), (16415, 1327270), (17150, 1270387), (18961, 1149050), (19810, 1099805), (22445, 970690), (22981, 948050), (23450, 929089), (27734, 785575), (31423, 693350), (32830, 663635), (37922, 574525), (44890, 485345), (45962, 474025), (49525, 439922), (62846, 346675), (69335, 314230), (82075, 265454), (94805, 229810), (97069, 224450), (99050, 219961), (112225, 194138), (114905, 189610), (132727, 164150), (138670, 157115)]