399570408

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19940

約数の個数: 80

約数和(自身を含む): 1155327360

約数和(自身を除く): 755756952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1116, 1674, 2232, 2511, 3348, 5022, 6696, 10044, 19891, 20088, 39782, 59673, 79564, 119346, 159128, 179019, 238692, 358038, 477384, 537057, 616621, 716076, 1074114, 1233242, 1432152, 1611171, 1849863, 2148228, 2466484, 3222342, 3699726, 4296456, 4932968, 5549589, 6444684, 7399452, 11099178, 12889368, 14798904, 16648767, 22198356, 33297534, 44396712, 49946301, 66595068, 99892602, 133190136, 199785204, 399570408]

約数ペア:

[(1, 399570408), (2, 199785204), (3, 133190136), (4, 99892602), (6, 66595068), (8, 49946301), (9, 44396712), (12, 33297534), (18, 22198356), (24, 16648767), (27, 14798904), (31, 12889368), (36, 11099178), (54, 7399452), (62, 6444684), (72, 5549589), (81, 4932968), (93, 4296456), (108, 3699726), (124, 3222342), (162, 2466484), (186, 2148228), (216, 1849863), (248, 1611171), (279, 1432152), (324, 1233242), (372, 1074114), (558, 716076), (648, 616621), (744, 537057), (837, 477384), (1116, 358038), (1674, 238692), (2232, 179019), (2511, 159128), (3348, 119346), (5022, 79564), (6696, 59673), (10044, 39782), (19891, 20088)]