82318420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1229}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 184116240

約数和(自身を除く): 101797820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1229, 1970, 2458, 3349, 3940, 4916, 6145, 6698, 12290, 13396, 16745, 20893, 24580, 33490, 41786, 66980, 83572, 104465, 208930, 242113, 417860, 484226, 968452, 1210565, 2421130, 4115921, 4842260, 8231842, 16463684, 20579605, 41159210, 82318420]

約数ペア:

[(1, 82318420), (2, 41159210), (4, 20579605), (5, 16463684), (10, 8231842), (17, 4842260), (20, 4115921), (34, 2421130), (68, 1210565), (85, 968452), (170, 484226), (197, 417860), (340, 242113), (394, 208930), (788, 104465), (985, 83572), (1229, 66980), (1970, 41786), (2458, 33490), (3349, 24580), (3940, 20893), (4916, 16745), (6145, 13396), (6698, 12290)]