2109702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 5230764000

約数和(自身を除く): 3121061080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 149, 260, 292, 298, 365, 373, 520, 584, 596, 730, 745, 746, 949, 1192, 1460, 1490, 1492, 1865, 1898, 1937, 2920, 2980, 2984, 3730, 3796, 3874, 4745, 4849, 5960, 7460, 7592, 7748, 9490, 9685, 9698, 10877, 14920, 15496, 18980, 19370, 19396, 21754, 24245, 27229, 37960, 38740, 38792, 43508, 48490, 54385, 54458, 55577, 77480, 87016, 96980, 108770, 108916, 111154, 136145, 141401, 193960, 217540, 217832, 222308, 272290, 277885, 282802, 353977, 435080, 444616, 544580, 555770, 565604, 707005, 707954, 722501, 1089160, 1111540, 1131208, 1414010, 1415908, 1445002, 1769885, 2223080, 2828020, 2831816, 2890004, 3539770, 3612505, 4057121, 5656040, 5780008, 7079540, 7225010, 8114242, 14159080, 14450020, 16228484, 20285605, 28900040, 32456968, 40571210, 52742573, 81142420, 105485146, 162284840, 210970292, 263712865, 421940584, 527425730, 1054851460, 2109702920]

約数ペア:

[(1, 2109702920), (2, 1054851460), (4, 527425730), (5, 421940584), (8, 263712865), (10, 210970292), (13, 162284840), (20, 105485146), (26, 81142420), (40, 52742573), (52, 40571210), (65, 32456968), (73, 28900040), (104, 20285605), (130, 16228484), (146, 14450020), (149, 14159080), (260, 8114242), (292, 7225010), (298, 7079540), (365, 5780008), (373, 5656040), (520, 4057121), (584, 3612505), (596, 3539770), (730, 2890004), (745, 2831816), (746, 2828020), (949, 2223080), (1192, 1769885), (1460, 1445002), (1490, 1415908), (1492, 1414010), (1865, 1131208), (1898, 1111540), (1937, 1089160), (2920, 722501), (2980, 707954), (2984, 707005), (3730, 565604), (3796, 555770), (3874, 544580), (4745, 444616), (4849, 435080), (5960, 353977), (7460, 282802), (7592, 277885), (7748, 272290), (9490, 222308), (9685, 217832), (9698, 217540), (10877, 193960), (14920, 141401), (15496, 136145), (18980, 111154), (19370, 108916), (19396, 108770), (21754, 96980), (24245, 87016), (27229, 77480), (37960, 55577), (38740, 54458), (38792, 54385), (43508, 48490)]