20199578500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2376421}}^1$

素因数の和:2376457

約数の個数: 48

約数和(自身を含む): 46710950832

約数和(自身を除く): 26511372332

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 2376421, 4752842, 9505684, 11882105, 23764210, 40399157, 47528420, 59410525, 80798314, 118821050, 161596628, 201995785, 237642100, 297052625, 403991570, 594105250, 807983140, 1009978925, 1188210500, 2019957850, 4039915700, 5049894625, 10099789250, 20199578500]

約数ペア:

[(1, 20199578500), (2, 10099789250), (4, 5049894625), (5, 4039915700), (10, 2019957850), (17, 1188210500), (20, 1009978925), (25, 807983140), (34, 594105250), (50, 403991570), (68, 297052625), (85, 237642100), (100, 201995785), (125, 161596628), (170, 118821050), (250, 80798314), (340, 59410525), (425, 47528420), (500, 40399157), (850, 23764210), (1700, 11882105), (2125, 9505684), (4250, 4752842), (8500, 2376421)]