349772140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{1487}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 774950400

約数和(自身を除く): 425178260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 619, 1238, 1487, 2476, 2974, 3095, 5948, 6190, 7435, 11761, 12380, 14870, 23522, 28253, 29740, 47044, 56506, 58805, 113012, 117610, 141265, 235220, 282530, 565060, 920453, 1840906, 3681812, 4602265, 9204530, 17488607, 18409060, 34977214, 69954428, 87443035, 174886070, 349772140]

約数ペア:

[(1, 349772140), (2, 174886070), (4, 87443035), (5, 69954428), (10, 34977214), (19, 18409060), (20, 17488607), (38, 9204530), (76, 4602265), (95, 3681812), (190, 1840906), (380, 920453), (619, 565060), (1238, 282530), (1487, 235220), (2476, 141265), (2974, 117610), (3095, 113012), (5948, 58805), (6190, 56506), (7435, 47044), (11761, 29740), (12380, 28253), (14870, 23522)]