21889100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 51330048

約数和(自身を除く): 29440948

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 155, 230, 307, 310, 460, 575, 614, 620, 713, 775, 1150, 1228, 1426, 1535, 1550, 2300, 2852, 3070, 3100, 3565, 6140, 7061, 7130, 7675, 9517, 14122, 14260, 15350, 17825, 19034, 28244, 30700, 35305, 35650, 38068, 47585, 70610, 71300, 95170, 141220, 176525, 190340, 218891, 237925, 353050, 437782, 475850, 706100, 875564, 951700, 1094455, 2188910, 4377820, 5472275, 10944550, 21889100]

約数ペア:

[(1, 21889100), (2, 10944550), (4, 5472275), (5, 4377820), (10, 2188910), (20, 1094455), (23, 951700), (25, 875564), (31, 706100), (46, 475850), (50, 437782), (62, 353050), (92, 237925), (100, 218891), (115, 190340), (124, 176525), (155, 141220), (230, 95170), (307, 71300), (310, 70610), (460, 47585), (575, 38068), (614, 35650), (620, 35305), (713, 30700), (775, 28244), (1150, 19034), (1228, 17825), (1426, 15350), (1535, 14260), (1550, 14122), (2300, 9517), (2852, 7675), (3070, 7130), (3100, 7061), (3565, 6140)]