42643100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 97160448

約数和(自身を除く): 54517348

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 211, 215, 235, 422, 430, 470, 844, 860, 940, 1055, 1075, 1175, 2021, 2110, 2150, 2350, 4042, 4220, 4300, 4700, 5275, 8084, 9073, 9917, 10105, 10550, 18146, 19834, 20210, 21100, 36292, 39668, 40420, 45365, 49585, 50525, 90730, 99170, 101050, 181460, 198340, 202100, 226825, 247925, 426431, 453650, 495850, 852862, 907300, 991700, 1705724, 2132155, 4264310, 8528620, 10660775, 21321550, 42643100]

約数ペア:

[(1, 42643100), (2, 21321550), (4, 10660775), (5, 8528620), (10, 4264310), (20, 2132155), (25, 1705724), (43, 991700), (47, 907300), (50, 852862), (86, 495850), (94, 453650), (100, 426431), (172, 247925), (188, 226825), (211, 202100), (215, 198340), (235, 181460), (422, 101050), (430, 99170), (470, 90730), (844, 50525), (860, 49585), (940, 45365), (1055, 40420), (1075, 39668), (1175, 36292), (2021, 21100), (2110, 20210), (2150, 19834), (2350, 18146), (4042, 10550), (4220, 10105), (4300, 9917), (4700, 9073), (5275, 8084)]