1640464030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 3088108800

約数和(自身を除く): 1447644770

約数列:

[1, 2, 5, 10, 47, 73, 94, 137, 146, 235, 274, 349, 365, 470, 685, 698, 730, 1370, 1745, 3431, 3490, 6439, 6862, 10001, 12878, 16403, 17155, 20002, 25477, 32195, 32806, 34310, 47813, 50005, 50954, 64390, 82015, 95626, 100010, 127385, 164030, 239065, 254770, 470047, 478130, 940094, 1197419, 2247211, 2350235, 2394838, 3490349, 4494422, 4700470, 5987095, 6980698, 11236055, 11974190, 17451745, 22472110, 34903490, 164046403, 328092806, 820232015, 1640464030]

約数ペア:

[(1, 1640464030), (2, 820232015), (5, 328092806), (10, 164046403), (47, 34903490), (73, 22472110), (94, 17451745), (137, 11974190), (146, 11236055), (235, 6980698), (274, 5987095), (349, 4700470), (365, 4494422), (470, 3490349), (685, 2394838), (698, 2350235), (730, 2247211), (1370, 1197419), (1745, 940094), (3431, 478130), (3490, 470047), (6439, 254770), (6862, 239065), (10001, 164030), (12878, 127385), (16403, 100010), (17155, 95626), (20002, 82015), (25477, 64390), (32195, 50954), (32806, 50005), (34310, 47813)]