2047492720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281249}}^1$

素因数の和:281282

約数の個数: 80

約数和(自身を含む): 5859000000

約数和(自身を除く): 3811507280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 281249, 562498, 1124996, 1406245, 1968743, 2249992, 2812490, 3656237, 3937486, 4499984, 5624980, 7312474, 7874972, 9843715, 11249960, 14624948, 15749944, 18281185, 19687430, 22499920, 25593659, 29249896, 31499888, 36562370, 39374860, 51187318, 58499792, 73124740, 78749720, 102374636, 127968295, 146249480, 157499440, 204749272, 255936590, 292498960, 409498544, 511873180, 1023746360, 2047492720]

約数ペア:

[(1, 2047492720), (2, 1023746360), (4, 511873180), (5, 409498544), (7, 292498960), (8, 255936590), (10, 204749272), (13, 157499440), (14, 146249480), (16, 127968295), (20, 102374636), (26, 78749720), (28, 73124740), (35, 58499792), (40, 51187318), (52, 39374860), (56, 36562370), (65, 31499888), (70, 29249896), (80, 25593659), (91, 22499920), (104, 19687430), (112, 18281185), (130, 15749944), (140, 14624948), (182, 11249960), (208, 9843715), (260, 7874972), (280, 7312474), (364, 5624980), (455, 4499984), (520, 3937486), (560, 3656237), (728, 2812490), (910, 2249992), (1040, 1968743), (1456, 1406245), (1820, 1124996), (3640, 562498), (7280, 281249)]