8404202360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{124249}}^1$

素因数の和:124368

約数の個数: 64

約数和(自身を含む): 20128500000

約数和(自身を除く): 11724297640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 33820, 67640, 124249, 248498, 496996, 621245, 993992, 1242490, 2360731, 2484980, 4721462, 4969960, 9442924, 11058161, 11803655, 18885848, 22116322, 23607310, 44232644, 47214620, 55290805, 88465288, 94429240, 110581610, 210105059, 221163220, 420210118, 442326440, 840420236, 1050525295, 1680840472, 2101050590, 4202101180, 8404202360]

約数ペア:

[(1, 8404202360), (2, 4202101180), (4, 2101050590), (5, 1680840472), (8, 1050525295), (10, 840420236), (19, 442326440), (20, 420210118), (38, 221163220), (40, 210105059), (76, 110581610), (89, 94429240), (95, 88465288), (152, 55290805), (178, 47214620), (190, 44232644), (356, 23607310), (380, 22116322), (445, 18885848), (712, 11803655), (760, 11058161), (890, 9442924), (1691, 4969960), (1780, 4721462), (3382, 2484980), (3560, 2360731), (6764, 1242490), (8455, 993992), (13528, 621245), (16910, 496996), (33820, 248498), (67640, 124249)]