28980493725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 52378522560

約数和(自身を除く): 23398028835

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 89, 181, 249, 255, 267, 289, 415, 425, 445, 543, 867, 905, 1245, 1275, 1335, 1411, 1445, 1513, 2075, 2225, 2715, 3077, 4233, 4335, 4525, 4539, 6225, 6675, 7055, 7225, 7387, 7565, 9231, 13575, 15023, 15385, 16109, 21165, 21675, 22161, 22695, 23987, 25721, 35275, 36935, 37825, 45069, 46155, 48327, 52309, 71961, 75115, 76925, 77163, 80545, 105825, 110805, 113475, 119935, 125579, 128605, 156927, 184675, 225345, 230775, 241635, 255391, 261545, 273853, 359805, 375575, 376737, 385815, 402725, 554025, 599675, 627895, 643025, 766173, 784635, 821559, 1126725, 1208175, 1276955, 1307725, 1337047, 1369265, 1799025, 1883685, 1929075, 2134843, 3139475, 3830865, 3923175, 4011141, 4107795, 4341647, 4655501, 6384775, 6404529, 6685235, 6846325, 9418425, 10674215, 13024941, 13966503, 19154325, 20055705, 20538975, 21708235, 22729799, 23277505, 32022645, 33426175, 53371075, 65124705, 68189397, 69832515, 100278525, 108541175, 113648995, 116387525, 160113225, 325623525, 340946985, 349162575, 386406583, 568244975, 1159219749, 1704734925, 1932032915, 5796098745, 9660164575, 28980493725]

約数ペア:

[(1, 28980493725), (3, 9660164575), (5, 5796098745), (15, 1932032915), (17, 1704734925), (25, 1159219749), (51, 568244975), (75, 386406583), (83, 349162575), (85, 340946985), (89, 325623525), (181, 160113225), (249, 116387525), (255, 113648995), (267, 108541175), (289, 100278525), (415, 69832515), (425, 68189397), (445, 65124705), (543, 53371075), (867, 33426175), (905, 32022645), (1245, 23277505), (1275, 22729799), (1335, 21708235), (1411, 20538975), (1445, 20055705), (1513, 19154325), (2075, 13966503), (2225, 13024941), (2715, 10674215), (3077, 9418425), (4233, 6846325), (4335, 6685235), (4525, 6404529), (4539, 6384775), (6225, 4655501), (6675, 4341647), (7055, 4107795), (7225, 4011141), (7387, 3923175), (7565, 3830865), (9231, 3139475), (13575, 2134843), (15023, 1929075), (15385, 1883685), (16109, 1799025), (21165, 1369265), (21675, 1337047), (22161, 1307725), (22695, 1276955), (23987, 1208175), (25721, 1126725), (35275, 821559), (36935, 784635), (37825, 766173), (45069, 643025), (46155, 627895), (48327, 599675), (52309, 554025), (71961, 402725), (75115, 385815), (76925, 376737), (77163, 375575), (80545, 359805), (105825, 273853), (110805, 261545), (113475, 255391), (119935, 241635), (125579, 230775), (128605, 225345), (156927, 184675)]