15678844900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{4409}}^1$

素因数の和:5293

約数の個数: 72

約数和(自身を含む): 34864331040

約数和(自身を除く): 19185486140

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 827, 860, 1075, 1654, 2150, 3308, 4135, 4300, 4409, 8270, 8818, 16540, 17636, 20675, 22045, 35561, 41350, 44090, 71122, 82700, 88180, 110225, 142244, 177805, 189587, 220450, 355610, 379174, 440900, 711220, 758348, 889025, 947935, 1778050, 1895870, 3556100, 3646243, 3791740, 4739675, 7292486, 9479350, 14584972, 18231215, 18958700, 36462430, 72924860, 91156075, 156788449, 182312150, 313576898, 364624300, 627153796, 783942245, 1567884490, 3135768980, 3919711225, 7839422450, 15678844900]

約数ペア:

[(1, 15678844900), (2, 7839422450), (4, 3919711225), (5, 3135768980), (10, 1567884490), (20, 783942245), (25, 627153796), (43, 364624300), (50, 313576898), (86, 182312150), (100, 156788449), (172, 91156075), (215, 72924860), (430, 36462430), (827, 18958700), (860, 18231215), (1075, 14584972), (1654, 9479350), (2150, 7292486), (3308, 4739675), (4135, 3791740), (4300, 3646243), (4409, 3556100), (8270, 1895870), (8818, 1778050), (16540, 947935), (17636, 889025), (20675, 758348), (22045, 711220), (35561, 440900), (41350, 379174), (44090, 355610), (71122, 220450), (82700, 189587), (88180, 177805), (110225, 142244)]