1800000050

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{3617}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 3452223240

約数和(自身を除く): 1652223190

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 269, 370, 538, 925, 1345, 1850, 2690, 3617, 6725, 7234, 9953, 13450, 18085, 19906, 36170, 49765, 90425, 99530, 133829, 180850, 248825, 267658, 497650, 669145, 972973, 1338290, 1945946, 3345725, 4864865, 6691450, 9729730, 24324325, 36000001, 48648650, 72000002, 180000005, 360000010, 900000025, 1800000050]

約数ペア:

[(1, 1800000050), (2, 900000025), (5, 360000010), (10, 180000005), (25, 72000002), (37, 48648650), (50, 36000001), (74, 24324325), (185, 9729730), (269, 6691450), (370, 4864865), (538, 3345725), (925, 1945946), (1345, 1338290), (1850, 972973), (2690, 669145), (3617, 497650), (6725, 267658), (7234, 248825), (9953, 180850), (13450, 133829), (18085, 99530), (19906, 90425), (36170, 49765)]