217030070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 428544000

約数和(自身を除く): 211513930

約数列:

[1, 2, 5, 10, 23, 31, 46, 61, 62, 115, 122, 155, 230, 305, 310, 499, 610, 713, 998, 1403, 1426, 1891, 2495, 2806, 3565, 3782, 4990, 7015, 7130, 9455, 11477, 14030, 15469, 18910, 22954, 30439, 30938, 43493, 57385, 60878, 77345, 86986, 114770, 152195, 154690, 217465, 304390, 355787, 434930, 700097, 711574, 943609, 1400194, 1778935, 1887218, 3500485, 3557870, 4718045, 7000970, 9436090, 21703007, 43406014, 108515035, 217030070]

約数ペア:

[(1, 217030070), (2, 108515035), (5, 43406014), (10, 21703007), (23, 9436090), (31, 7000970), (46, 4718045), (61, 3557870), (62, 3500485), (115, 1887218), (122, 1778935), (155, 1400194), (230, 943609), (305, 711574), (310, 700097), (499, 434930), (610, 355787), (713, 304390), (998, 217465), (1403, 154690), (1426, 152195), (1891, 114770), (2495, 86986), (2806, 77345), (3565, 60878), (3782, 57385), (4990, 43493), (7015, 30938), (7130, 30439), (9455, 22954), (11477, 18910), (14030, 15469)]