440091872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1301}}^1$

素因数の和:1384

約数の個数: 72

約数和(自身を含む): 977421816

約数和(自身を除く): 537329944

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 961, 992, 1301, 1364, 1922, 2602, 2728, 3844, 5204, 5456, 7688, 10408, 10571, 10912, 14311, 15376, 20816, 21142, 28622, 30752, 40331, 41632, 42284, 57244, 80662, 84568, 114488, 161324, 169136, 228976, 322648, 338272, 443641, 457952, 645296, 887282, 1250261, 1290592, 1774564, 2500522, 3549128, 5001044, 7098256, 10002088, 13752871, 14196512, 20004176, 27505742, 40008352, 55011484, 110022968, 220045936, 440091872]

約数ペア:

[(1, 440091872), (2, 220045936), (4, 110022968), (8, 55011484), (11, 40008352), (16, 27505742), (22, 20004176), (31, 14196512), (32, 13752871), (44, 10002088), (62, 7098256), (88, 5001044), (124, 3549128), (176, 2500522), (248, 1774564), (341, 1290592), (352, 1250261), (496, 887282), (682, 645296), (961, 457952), (992, 443641), (1301, 338272), (1364, 322648), (1922, 228976), (2602, 169136), (2728, 161324), (3844, 114488), (5204, 84568), (5456, 80662), (7688, 57244), (10408, 42284), (10571, 41632), (10912, 40331), (14311, 30752), (15376, 28622), (20816, 21142)]